Vydania od Dr Ugur Guven

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Cover for Dr Ugur Guven · Space Tourism: Suborbital Flights - Commercial Flights - Spaceports - Guven Textbooks (Paperback Book) (2020)

Space Tourism: Suborbital Flight... (2020)

Cover for Dr Ugur Guven · Deep Space Propulsion Techniques: Interstellar Travel - Guven Science Textbooks (Paperback Book) (2020)

Deep Space Propulsion Techniques... (2020)