Space research II  proceedings of the second International space science symposium on space research, held in Florence, Italy, April 10-14, 1961 
edited by H. C.  van de Hulst,  C. de Jager, and A. F. Moore 
 - Amsterdam  North-Holland  1961 
 - xv, 1241p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Space science
<br/><br/><label>Universal Decimal Class. No.: </label>629.19(047.1)  / SPA