Proceedings of the Sixth AFOSR(Air Force Office of Scientific Research) Symposium on Advanced Propulsion Concepts 

 - Arlington, Va.,  Air Force Office of Scientific Research; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington]  1972. 
 - xx, 511 p. :  ill. ;  27 cm. 
<br/><br/> "Sponsored by the Air Force Office of Scientific Research, Air Force Systems Command, USAF, and the Bell Aerospace Company, 4-6 May 1971, under contract F44260-71-C-0057." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space vehicle--Propulsion systems--Congresses.
<br/><br/><label>Dewey Class. No.: </label>629.475