A long range program in space astronomy  position paper of the astronomy mission board July, 1969 
edited by R. O. Doyle                                              
 - Washington  National Aeronautics and Space Administration  1969 
 - xi, 305p. 
 - NASA SP; 213 .
<br/><br/> Donated by Mrs. Bappu 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Space astronomy
<br/><br/><label>Universal Decimal Class. No.: </label>52  / DOY