الكتب الالكترونية

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978-0-387-74066-9
How Apollo Flew to the Moon

Out of the technological battlefield of World War II came a team of gifted German engineers and designers who developed the ...

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978-0-387-73973-1
Salyut - The First Space Station : Triumph and Tragedy

This remarkable book is a unique insight into the people involved in the development of the Salyut space station and the ...

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عدد الكتب: 1 - 2 /2