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Konstantin Ėduardovich T︠S︡iolkovskiĭ

Arkadiĭ Aleksandrovich Kosmodemʹi͡anskiĭ

出版	General Editorial Board for Foreign Publications, Nauka Publishers, 1985
URL	http://books.google.com.hk/books?id=ZEDbAAAAMAAJ&hl=&source=gbs_api