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The planets, after all, may run only in perfect circles - but in the velocity space!
Krpic, D K, Anicin, I VVolume:
14
Language:
english
Journal:
European Journal of Physics
DOI:
10.1088/0143-0807/14/6/004
Date:
November, 1993
File:
PDF, 269 KB
english, 1993