By EFREMOV YURI   in Astronomical and Astrophysical Transactions

ISSN:1055-6796|21|4-6|251-263

Taylor & Francis Ltd‎(2002)‎

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By Lefebvre Vladimir   Efremov Yuri   in World Futures: The Journal of General Evolution

ISSN:0260-4027|64|8|563-576

Routledge Ltd‎(2008)‎

Access to resources Favorite 15.207776