Shklovskii, L S; Sagan, Carl <br/><br/>
Intelligent life in the universe 

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 - Holden-Day, San Francisco  1966 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biophysics
<br/><br/><label>Dewey Class. No.: </label>571.4  SHK-I