The Soviet encyclopedia of space flight/edited by G.V. Petrovich 

 - Moscow  Mir Publishers  1969 
 - 619 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space flight-dictionaries and encyclopaedias
<br/><br/><label>Dewey Class. No.: </label>GL R 629.4103 Sov.