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Results of Observations of Mars in the USSR During the Great Opposition of 1956

Akademii͡a nauk SSSR. Komissii͡a po fizike planet

出版	National Aeronautics and Space Administration, 1962
URL	http://books.google.com.hk/books?id=lNADAAAAIAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN