The Soviet encyclopedia of space flight /  
edited by a group of le ading experts in space science and engineering. Editor in-chief: G. V. Petrovich 
 - Moscow :    Mir Publishers,    1969. 
 - 620 p. :    ill. ;    22 cm. 
<br/><br/>  translated from the Russian. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Space flight.
<br/><br/><label>Dewey Class. No.: </label>629.403