SHKLOVSKII, I.S.
Interlligent life in the Universe - San Francisco Holden - Day 1966 - xiv, 509 p.
189182
Astronomy
523.1 / SHK
Interlligent life in the Universe - San Francisco Holden - Day 1966 - xiv, 509 p.
189182
Astronomy
523.1 / SHK