Advances in astronomy and astrophysics  vol. IV 
edited by Kopal, Zdenek                                 
 - New York  Academic Press  1966 
 - x, 346p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astronomy and Astrophysics Thesaurus<br/>Astrophysics
<br/><br/><label>Universal Decimal Class. No.: </label>047.1:52  / ADV-4