Clarke, Arthur Charles 1917- <br/><br/>
The promise of space 

 - New York  Harper and Row Publishers  1968 
 - xxi, 325p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronautics
<br/><br/><label>LC Class. No.: </label>TL793.C624