Extraterrestrial civilizations :  proceedings / 
edited by G. M. Tovmasyan ; translated (from the Russian) by Z. Lerman 
 - Jerusalem :  Israel Program for Scientific Translations,  1967 
 - viii, 99 p. :  ill. ;  24 cm. 
 - Akademiya nauk armyanskoi SSR yurakanskaya astrafizicheskaya NASA TT F-438. .
<br/><br/> At head of title: Academy of Sciences of the Armenian SSR. Byurakan Astrophysical Observatory  Translation of Vnezemnye tsivilizatsii  Translation of: Vnezemnye tsivilizatsii 
<br/><br/><label>ISBN: </label> PND 36.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life on other planets--Congresses<br/>Interstellar communication--Congresses
<br/><br/><label>Dewey Class. No.: </label>523.13