Shklovskii, I.S. <br/><br/>
Intelligent life in the universe 

 - San Francisco:  Holden-Day  1966 
 - 509p. :   il; 24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrofísica y Astronomía Descriptiva<br/>Vida extraterrestre<br/>extraterrestrial life