Vydavatelia World Scientific Publishing Co Pte Ltd

Cover for Karl M Kadish · Handbook Of Porphyrin Science: With Applications To Chemistry, Physics, Materials Science, Engineering, Biology And Medicine - Volume 2: Synthesis And Coordination Chemistry (Hardcover Book) (2010)

Handbook Of Porphyrin Science: W... (2010)

Cover for Karl M Kadish · Handbook Of Porphyrin Science: With Applications To Chemistry, Physics, Materials Science, Engineering, Biology And Medicine - Volume 3: Synthetic Methodology (Hardcover Book) (2010)

Handbook Of Porphyrin Science: W... (2010)

Cover for Handbook of Porphyrin Science: with Applications to Chemistry, Physics, Materials Science, Engineering, Biology and Medicine - Volume 4: Phototherapy, Radioimmunotherapy and Imaging - Handbook of Porphyrin Science (Hardcover Book) (2010)

Handbook of Porphyrin Science: w... (2010)

Cover for Karl M Kadish · Handbook Of Porphyrin Science: With Applications To Chemistry, Physics, Materials Science, Engineering, Biology And Medicine - Volume 5: Heme Proteins (Hardcover Book) (2010)

Handbook Of Porphyrin Science: W... (2010)

Cover for Jabbari Esmaiel Et Al · Biologically-responsive Hybrid Biomaterials: a Reference for Material Scientists and Bioengineers (Hardcover Book) (2010)

Biologically-responsive Hybrid B... (2010)

Jabbari Esmaiel Et Al

Cover for Xiong, Bin (East China Normal University, China) · Graph Theory: in Mathematical Olympiad and Competitions - Mathematical Olympiad Series (Paperback Book) (2010)

Graph Theory: in Mathematical Ol... (2010)

Xiong, Bin (East China Normal Un...

Cover for Shawyer, Bruce (Memorial University of Newfoundland, Canada) · Explorations in Geometry (Hardcover Book) (2010)

Explorations in Geometry (2010)

Shawyer, Bruce (Memorial Univers...

Cover for Shawyer, Bruce (Memorial University of Newfoundland, Canada) · Explorations in Geometry (Paperback Book) (2010)

Explorations in Geometry (2010)

Shawyer, Bruce (Memorial Univers...

Cover for West, Bruce J (Duke University, USA) · Disrupted Networks: from Physics to Climate Change - Studies of Nonlinear Phenomena in Life Science (Hardcover Book) (2010)

Disrupted Networks: from Physics... (2010)

West, Bruce J (Duke University, ...

Cover for Moon, Hwy-Chang (Seoul National University, Korea) · Global Business Strategy: Asian Perspective (Paperback Book) (2010)

Global Business Strategy: Asian ... (2010)

Moon, Hwy-Chang (Seoul National ...

Cover for Moon, Hwy-Chang (Seoul National University, Korea) · Global Business Strategy: Asian Perspective (Hardcover Book) (2010)

Global Business Strategy: Asian ... (2010)

Moon, Hwy-Chang (Seoul National ...

Cover for Hatakeyama, Kyoko (Macquarie University, Australia) · Snow on the Pine: Japan's Quest for a Leadership Role in Asia (Hardcover Book) (2010)

Snow on the Pine: Japan's Quest ... (2010)

Hatakeyama, Kyoko (Macquarie Uni...

Cover for Walecka, John Dirk (College of William and Mary, USA) · Advanced Modern Physics: Theoretical Foundations (Hardcover Book) (2010)

Advanced Modern Physics: Theoret... (2010)

Walecka, John Dirk (College of W...

Cover for Walecka, John Dirk (College of William and Mary, USA) · Advanced Modern Physics: Theoretical Foundations (Paperback Book) (2010)

Advanced Modern Physics: Theoret... (2010)

Walecka, John Dirk (College of W...

Cover for Hatakeyama, Kyoko (Macquarie University, Australia) · Snow on the Pine: Japan's Quest for a Leadership Role in Asia (Paperback Book) (2010)

Snow on the Pine: Japan's Quest ... (2010)

Hatakeyama, Kyoko (Macquarie Uni...

Cover for Rowe, David J (University of Toronto, Canada) · Fundamentals of Nuclear Models: Foundational Models (Hardcover Book) (2010)

Fundamentals of Nuclear Models: ... (2010)

Rowe, David J (University of Tor...

Cover for Rowe, David J (University of Toronto, Canada) · Fundamentals of Nuclear Models: Foundational Models (Paperback Book) (2010)

Fundamentals of Nuclear Models: ... (2010)

Rowe, David J (University of Tor...

Cover for Yeo, Kiat Seng (Nanyang Technological University, Singapore) · Design of Cmos Rf Integrated Circuits and Systems (Hardcover Book) (2010)

Design of Cmos Rf Integrated Cir... (2010)

Yeo, Kiat Seng (Nanyang Technolo...

Cover for Friedman, Eli a (Ed) · Present and Future Therapies for End-stage Renal Disease - Regenerative Medicine, Artificial Cells and Nanomedicine (Hardcover Book) (2010)

Present and Future Therapies for... (2010)

Friedman, Eli a (Ed)

Cover for Florkowski, Wojciech (Jan Kochanowski University, Kielce, Poland & Institute of Nuclear Physics, Polish Academy of Sciences, Krakow, Poland) · Phenomenology of Ultra-relativistic Heavy-ion Collisions (Hardcover Book) (2010)

Phenomenology of Ultra-relativis... (2010)

Florkowski, Wojciech (Jan Kochan...

Cover for Schniederjans, Marc J (University of Nebraska–Lincoln, USA) · Information Technology Investment: Decision-making Methodology (2nd Edition) (Hardcover Book) [2 Revised edition] (2010)

2 Revised edition

Information Technology Investmen... (2010)

Schniederjans, Marc J (Universit...

Cover for Wenxian Zhang · Guide to the Top 100 Companies in China, a (Paperback Book) (2010)

Guide to the Top 100 Companies i... (2010)

Cover for Jahankhani, Hamid (University of East London, UK) · Handbook of Electronic Security and Digital Forensics (Hardcover Book) (2010)

Handbook of Electronic Security ... (2010)

Jahankhani, Hamid (University of...

Cover for Mitra*, Sujit Kumar (Indian Statistical Institute, India) · Matrix Partial Orders, Shorted Operators and Applications - Series in Algebra (Hardcover Book) (2010)

Matrix Partial Orders, Shorted O... (2010)

Mitra*, Sujit Kumar (Indian Stat...

Cover for Sharmila Majumdar · Advances in Mri of the Knee for Osteoarthritis (Hardcover Book) (2010)

Advances in Mri of the Knee for ... (2010)

Sharmila Majumdar

Cover for Alexander Karp · Russian Mathematics Education: History and World Significance - Series on Mathematics Education (Hardcover Book) (2010)

Russian Mathematics Education: H... (2010)

Cover for Athreya, Balu H (Alfred I duPont Hospital for Children, USA) · Handbook of Clinical Skills: a Practical Manual (Hardcover Book) (2010)

Handbook of Clinical Skills: a P... (2010)

Athreya, Balu H (Alfred I duPont...

Cover for Chung, Deborah D L (State University of New York at Buffalo, USA) · Functional Materials: Electrical, Dielectric, Electromagnetic, Optical and Magnetic Applications - Engineering Materials for Technological Needs (Hardcover Book) (2010)

Functional Materials: Electrical... (2010)

Chung, Deborah D L (State Univer...

Cover for Chung, Deborah D L (State University of New York at Buffalo, USA) · Functional Materials: Electrical, Dielectric, Electromagnetic, Optical and Magnetic Applications - Engineering Materials for Technological Needs (Paperback Book) (2010)

Functional Materials: Electrical... (2010)

Chung, Deborah D L (State Univer...

Cover for Yang, Jiashi (University of Nebraska, USA) · Antiplane Motions of Piezoceramics and Acoustic Wave Devices (Hardcover Book) (2010)

Antiplane Motions of Piezocerami... (2010)

Yang, Jiashi (University of Nebr...

Cover for S. H. Lin · Advances in Multi-photon Processes and Spectroscopy, Volume 19 - Advances in Multi-photon Processes and Spectroscopy (Hardcover Book) (2010)

Advances in Multi-photon Process... (2010)

Cover for Habib Ammari · Recent Developments in Nonlinear Analysis - Proceedings of the Conference in Mathematics and Mathematical Physics (Hardcover Book) (2010)

Recent Developments in Nonlinear... (2010)

Cover for Robertson, Elizabeth M (NHS Grampian, UK) · Clinical Leaders: Heroes or Heretics? (Hardcover Book) (2010)

Clinical Leaders: Heroes or Here... (2010)

Robertson, Elizabeth M (NHS Gram...

Cover for Michael Chia · Sport Science and Studies in Asia: Issues, Reflections and Emergent Solutions (Hardcover Book) (2010)

Sport Science and Studies in Asi... (2010)

Cover for Patil, Dilip P (Indian Institute of Science, India) · Introduction to Algebraic Geometry and Commutative Algebra - Iisc Lecture Notes Series (Hardcover Book) (2010)

Introduction to Algebraic Geomet... (2010)

Patil, Dilip P (Indian Institute...

Cover for Boklage, Charles E (East Carolina University, USA) · How New Humans Are Made: Cells and Embryos, Twins and Chimeras, Left and Right, Mind / Self / Soul, Sex, and Schizophrenia (Paperback Book) (2010)

How New Humans Are Made: Cells a... (2010)

Boklage, Charles E (East Carolin...

Cover for Sprott, Julien Clinton (University of Wisconsin-Madison, USA) · Elegant Chaos: Algebraically Simple Chaotic Flows (Hardcover Book) (2010)

Elegant Chaos: Algebraically Sim... (2010)

Sprott, Julien Clinton (Universi...

Cover for Sprott, Julien Clinton (University of Wisconsin-Madison, USA) · Elegant Chaos: Algebraically Simple Chaotic Flows (Paperback Book) (2010)

Elegant Chaos: Algebraically Sim... (2010)

Sprott, Julien Clinton (Universi...

Cover for Yuk-ying Ho · Reconstitution of Social Work: Towards a Moral Conception of Social Work Practice (Hardcover Book) (2010)

Reconstitution of Social Work: T... (2010)

Cover for Moss, Charles B (University of Florida, USA) · Risk, Uncertainty and the Agricultural Firm (Hardcover Book) (2010)

Risk, Uncertainty and the Agricu... (2010)

Moss, Charles B (University of F...

Cover for Huang, An-Chyau (National Taiwan University of Science and Technology, Taiwan) · Adaptive Control of Robot Manipulators: a Unified Regressor-free Approach (Hardcover Book) (2010)

Adaptive Control of Robot Manipu... (2010)

Huang, An-Chyau (National Taiwan...

Cover for Hyer, Tom (UBS, UK) · Derivatives Algorithms - Volume 1: Bones (Hardcover Book) (2010)

Derivatives Algorithms - Volume ... (2010)

Hyer, Tom (UBS, UK)

Cover for Rothe, Heinz J (Universitat Heidelberg, Germany) · Classical and Quantum Dynamics of Constrained Hamiltonian Systems - World Scientific Lecture Notes in Physics (Hardcover Book) (2010)

Classical and Quantum Dynamics o... (2010)

Rothe, Heinz J (Universitat Heid...

Cover for Kane Gordon L · Perspectives on Supersymmetry II - Advanced Series on Directions in High Energy Physics (Hardcover Book) (2010)

Perspectives on Supersymmetry II... (2010)

Cover for Ka Ho Mok · Social Cohesion in Greater China: Challenges for Social Policy and Governance - Series on Contemporary China (Hardcover Book) (2010)

Social Cohesion in Greater China... (2010)

Cover for Sng, Hui Ying (Nanyang Technological University, Singapore) · Economic Growth and Transition: Econometric Analysis of Lim's S-curve Hypothesis - Economic Growth Centre Research Monograph Series (Hardcover Book) (2010)

Economic Growth and Transition: ... (2010)

Sng, Hui Ying (Nanyang Technolog...

Cover for Kane Gordon L · Perspectives on Supersymmetry II - Advanced Series on Directions in High Energy Physics (Paperback Book) (2010)

Perspectives on Supersymmetry II... (2010)

Cover for Ng, Siu-Ah (University of KwaZulu-Natal, Pietermaritzburg, South Africa) · Nonstandard Methods in Functional Analysis: Lectures and Notes (Hardcover Book) (2010)

Nonstandard Methods in Functiona... (2010)

Ng, Siu-Ah (University of KwaZul...

Cover for Jacque, Laurent L (Tufts University, USA & HEC School of Management, France) · Global Derivative Debacles: from Theory to Malpractice (Hardcover Book) (2010)

Global Derivative Debacles: from... (2010)

Jacque, Laurent L (Tufts Univers...

Cover for Lai, David Chuenyan (University of Victoria, Canada) · Chinese Community Leadership: Case Study of Victoria in Canada (Hardcover Book) (2010)

Chinese Community Leadership: Ca... (2010)

Lai, David Chuenyan (University ...

Cover for Jacque, Laurent L (Tufts University, USA & HEC School of Management, France) · Global Derivative Debacles: from Theory to Malpractice (Paperback Book) (2010)

Global Derivative Debacles: from... (2010)

Jacque, Laurent L (Tufts Univers...

Cover for C Tuniz · Science for Cultural Heritage: Technological Innovation and Case Studies in Marine and Land Archaeology in the Adriatic Region and Inland (Hardcover Book) (2010)

Science for Cultural Heritage: T... (2010)

Cover for Donald Tiang Hwee Tan-Tien Yin Wong-Seang-Mei Saw- · Myopia: Animal Models to Clinical Trials (Hardcover Book) (2010)

Myopia: Animal Models to Clinica... (2010)

Donald Tiang Hwee Tan-Tien Yin W...

Cover for Steeb, Willi-Hans (University of Johannesburg, South Africa) · Quantum Mechanics Using Computer Algebra: Includes Sample Programs in C++, Symbolicc++, Maxima, Maple, and Mathematica (2nd Edition) (Hardcover Book) [2 Revised edition] (2010)

2 Revised edition

Quantum Mechanics Using Computer... (2010)

Steeb, Willi-Hans (University of...

Cover for Patil, Dilip P (Indian Institute of Science, India) · Introduction to Algebraic Geometry and Commutative Algebra - Iisc Lecture Notes Series (Paperback Book) (2010)

Introduction to Algebraic Geomet... (2010)

Patil, Dilip P (Indian Institute...

Cover for Chen, Nanxian (Tsinghua University, China) · Mobius Inversion in Physics - Tsinghua Report and Review in Physics (Hardcover Book) (2010)

Mobius Inversion in Physics - Ts... (2010)

Chen, Nanxian (Tsinghua Universi...

Cover for Chan Johnny C L Et Al · Global Perspectives on Tropical Cyclones: from Science to Mitigation - World Scientific Series on Asia-pacific Weather and Climate (Hardcover Book) (2010)

Global Perspectives on Tropical ... (2010)

Chan Johnny C L Et Al

Cover for Riesen, Kaspar (University of Bern, Switzerland) · Graph Classification and Clustering Based on Vector Space Embedding - Series in Machine Perception and Artificial Intelligence (Hardcover Book) (2010)

Graph Classification and Cluster... (2010)

Riesen, Kaspar (University of Be...

Cover for Giovanni P Galdi · Fundamental Trends in Fluid-structure Interaction - Contemporary Challenges in Mathematical Fluid Dynamics and Its Applications (Hardcover Book) (2010)

Fundamental Trends in Fluid-stru... (2010)

Giovanni P Galdi

Cover for Yang, Zheng Rong (University of Exeter, UK) · Machine Learning Approaches to Bioinformatics - Science, Engineering, and Biology Informatics (Hardcover Book) (2010)

Machine Learning Approaches to B... (2010)

Yang, Zheng Rong (University of ...

Cover for Kinani, Abdellah El (Ecole Normale Superieure de Takaddoum, Morocco) · Distribution Theory and Applications - Series on Concrete and Applicable Mathematics (Hardcover Book) (2010)

Distribution Theory and Applicat... (2010)

Kinani, Abdellah El (Ecole Norma...

Cover for Belotserkovskii, O M (Russian Academy of Sciences, Russia) · Monte Carlo Methods in Mechanics of Fluid and Gas (Hardcover Book) (2010)

Monte Carlo Methods in Mechanics... (2010)

Belotserkovskii, O M (Russian Ac...

Cover for Le Dung Trang · Algebraic Approach to Differential Equations (Hardcover Book) (2010)

Algebraic Approach to Differenti... (2010)

Cover for Berinderjeet Kaur · Mathematical Applications and Modelling: Yearbook 2010, Association of Mathematics Educators (Hardcover Book) (2010)

Mathematical Applications and Mo... (2010)

Berinderjeet Kaur

Cover for Lebedev, Leonid P (National University of Colombia, Colombia & Rostov State University, Russia) · Tensor Analysis with Applications in Mechanics (Paperback Book) (2010)

Tensor Analysis with Application... (2010)

Lebedev, Leonid P (National Univ...

Cover for Lebedev, Leonid P (National University of Colombia, Colombia & Rostov State University, Russia) · Tensor Analysis with Applications in Mechanics (Hardcover Book) (2010)

Tensor Analysis with Application... (2010)

Lebedev, Leonid P (National Univ...

Cover for Urai, Ken (Osaka University, Japan) · Fixed Points and Economic Equilibria - Series on Mathematical Economics and Game Theory (Hardcover Book) (2010)

Fixed Points and Economic Equili... (2010)

Urai, Ken (Osaka University, Japan)

Cover for Womack, Brantly (University of Virginia, USA) · China Among Unequals: Asymmetric Foreign Relationships in Asia (Hardcover Book) (2010)

China Among Unequals: Asymmetric... (2010)

Womack, Brantly (University of V...

Cover for Jones, Eric L (La Trobe University, Australia) · Locating the Industrial Revolution: Inducement and Response (Hardcover Book) (2010)

Locating the Industrial Revoluti... (2010)

Jones, Eric L (La Trobe Universi...

Cover for Kamphuis, J William (Queen's University, Canada) · Introduction to Coastal Engineering and Management (2nd Edition) - Advanced Series on Ocean Engineering (Hardcover Book) [2 Revised edition] (2010)

2 Revised edition

Introduction to Coastal Engineer... (2010)

Kamphuis, J William (Queen's Uni...

Cover for Kamphuis, J William (Queen's University, Canada) · Introduction to Coastal Engineering and Management (2nd Edition) - Advanced Series on Ocean Engineering (Paperback Book) [2 Revised edition] (2010)

2 Revised edition

Introduction to Coastal Engineer... (2010)

Kamphuis, J William (Queen's Uni...

Cover for Papamichael, Nicolas (University of Cyprus, Cyprus) · Numerical Conformal Mapping: Domain Decomposition and the Mapping of Quadrilaterals (Hardcover Book) (2010)

Numerical Conformal Mapping: Dom... (2010)

Papamichael, Nicolas (University...

Cover for Kimball a Milton · Quantum Field Theory Under the Influence of External Conditions (Qfext09): Devoted to the Centenary of H B G Casimir - Proceedings of the Ninth Conference (Hardcover Book) (2010)

Quantum Field Theory Under the I... (2010)

Kimball a Milton

Cover for Jai Ho Oh · Advances in Geosciences - Volume 16: Atmospheric Science (As) (Hardcover Book) (2010)

Advances in Geosciences - Volume... (2010)

Cover for Namsik Park · Advances in Geosciences - Volume 17: Hydrological Science (Hs) (Hardcover Book) (2010)

Advances in Geosciences - Volume... (2010)

Cover for Jianping Gan · Advances in Geosciences - Volume 18: Ocean Science (Os) (Hardcover Book) (2010)

Advances in Geosciences - Volume... (2010)

Cover for Anil Bhardwaj · Advances in Geosciences - Volume 19: Planetary Science (Ps) (Hardcover Book) (2010)

Advances in Geosciences - Volume... (2010)

Cover for Kenji Satake · Advances in Geosciences - Volume 20: Solid Earth (Hardcover Book) [Special edition] (2010)

Special edition

Advances in Geosciences - Volume... (2010)

Cover for Marc Duldig · Advances in Geosciences - Volume 21: Solar Terrestrial (St) (Hardcover Book) (2010)

Advances in Geosciences - Volume... (2010)

Cover for Lee, Jen-Shih (Global Monitors Inc., University of California, San Diego and University of Virginia, USA) · Biomedical Engineering Entrepreneurship (Hardcover Book) (2010)

Biomedical Engineering Entrepren... (2010)

Lee, Jen-Shih (Global Monitors I...

Cover for Alfredo Macias · New Trends in Statistical Physics: Festschrift in Honor of Leopoldo Garcia-colin's 80th Birthday (Hardcover Book) (2010)

New Trends in Statistical Physic... (2010)

Cover for Yang, Fujia (Fudan University, China & Nottingham University, UK) · Modern Atomic and Nuclear Physics (Revised Edition): Problems and Solutions Manual (Paperback Book) [Revised edition] (2010)

Revised edition

Modern Atomic and Nuclear Physic... (2010)

Yang, Fujia (Fudan University, C...

Cover for Lloyd P Blenman · Banking and Capital Markets: New International Perspectives (Hardcover Book) (2010)

Banking and Capital Markets: New... (2010)

Lloyd P Blenman

Cover for Logan, Robert K (University of Toronto, Canada) · The Poetry of Physics and the Physics of Poetry (Hardcover Book) (2010)

The Poetry of Physics and the Ph... (2010)

Logan, Robert K (University of T...

Cover for Logan, Robert K (University of Toronto, Canada) · The Poetry of Physics and the Physics of Poetry (Paperback Book) (2010)

The Poetry of Physics and the Ph... (2010)

Logan, Robert K (University of T...

Cover for Gagik Yu Kryuchkyan · Modern Optics and Photonics: Atoms and Structured Media (Hardcover Book) (2010)

Modern Optics and Photonics: Ato... (2010)

Gagik Yu Kryuchkyan

Cover for Wang, Zhenyuan (University of Nebraska at Omaha, USA) · Nonlinear Integrals and Their Applications in Data Mining - Advances in Fuzzy Systems-applications and Theory (Hardcover Book) (2010)

Nonlinear Integrals and Their Ap... (2010)

Wang, Zhenyuan (University of Ne...

Cover for Masaaki Kijima · Recent Advances in Financial Engineering 2009 - Proceedings of the Kier-tmu International Workshop on Financial Engineering 2009 (Hardcover Book) [2009 edition] (2010)

Recent Advances in Financial Eng... (2010)

Cover for Xiaobo Zhang · Narratives of Chinese Economic Reforms: How Does China Cross the River? - Series on Economic Development and Growth (Hardcover Book) (2010)

Narratives of Chinese Economic R... (2010)

Cover for Enrico Fermi · Neutron Physics for Nuclear Reactors: Unpublished Writings by Enrico Fermi (Hardcover Book) (2010)

Neutron Physics for Nuclear Reac... (2010)

Cover for Luigi Fortuna · From Physics to Control Through an Emergent View - World Scientific Series on Nonlinear Science Series B (Hardcover Book) (2010)

From Physics to Control Through ... (2010)

Cover for Guide to Human Gene Therapy, a (Paperback Book) (2010)

Guide to Human Gene Therapy, a (2010)

Cover for Herzog · Guide to Human Gene Therapy, a (Hardcover Book) (2010)

Guide to Human Gene Therapy, a (2010)

Cover for Christopher Findlay · Light the Lamp: Papers on World Trade and Investment in Memory of Bijit Bora - World Scientific Studies in International Economics (Hardcover Book) (2010)

Light the Lamp: Papers on World ... (2010)

Christopher Findlay

Cover for K E Seetharam · Developing Living Cities: from Analysis to Action (Hardcover Book) (2010)

Developing Living Cities: from A... (2010)

Cover for Anna Gil-lafuente · Computational Intelligence in Business and Economics - Proceedings of the Ms'10 International Conference - World Scientific Proceedings Series on Computer Engineering and Information Science (Hardcover Book) (2010)

Computational Intelligence in Bu... (2010)

Anna Gil-lafuente

Cover for Towards a Liveable and Sustainable Urban Environment: Eco-cities in East Asia (Paperback Book) (2010)

Towards a Liveable and Sustainab... (2010)

Cover for Rudiger Kiesel · Alternative Investments and Strategies (Hardcover Book) (2010)

Alternative Investments and Stra... (2010)

Cover for Lye Liang Fook · Towards a Liveable and Sustainable Urban Environment: Eco-cities in East Asia (Hardcover Book) (2010)

Towards a Liveable and Sustainab... (2010)

Cover for Cuevas, Juan Carlos (Universidad Autonoma de Madrid, Spain) · Molecular Electronics: an Introduction to Theory and Experiment - World Scientific Series in Nanoscience and Nanotechnology (Hardcover Book) (2010)

Molecular Electronics: an Introd... (2010)

Cuevas, Juan Carlos (Universidad...