Aleksandr Leonidovich Zaitsev

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1	PDF Document Add to Reading List Source URL: fire.relarn.ru Language: English - Date: 2013-06-21 04:05:31 Extraterrestrial life Active SETI Search for extraterrestrial intelligence Aleksandr Leonidovich Zaitsev Fermi paradox Communication with extraterrestrial intelligence Teen Age Message Cosmic Call Carl Sagan SETI Astrobiology Astronomy
2	PDF Document Add to Reading List Source URL: arxiv.org Language: English - Date: 2006-10-05 13:04:36 Spaceflight Active SETI Search for extraterrestrial intelligence Aleksandr Leonidovich Zaitsev Teen Age Message Fermi paradox Arecibo message Cosmic Call Yevpatoria RT-70 radio telescope SETI Astrobiology Astronomy