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Автор: Terry J. Jennings
Издательство: Kingfisher Books
Год издания: 1993
isbn: 1856978702, 1856978699
Количество страниц: 40
Язык: english
Формат: PDF (scan)
Размер: 19 Мб
Каталожный номер: 85970
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Cutaway full-color illustrations, simple language, and experiments and activities mark an introduction to the world of flying machines, showing how hot air balloons fly, why the shape of a wing is important, how gliders glide, and much more.
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