Nikolayev, A. P. Popovich <br/><br/>
Story of Group Space Flight / 
by A. Nikolayev and P. Popovich 
 - New Delhi:  Soviet Land Booklets,  1962 
 - p.236 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering<br/>Astronautics
<br/><br/><label>Dewey Class. No.: </label>629.4  / NIK-S