Annual review of astronomy and astrophysics  vol. 21 
edited by Geoffrey Burbidge David Layzer and John G. Phillips                                             
 - Palo Alto  Annual Reviews  1983 
 - 482p. 
<br/><br/><label>ISBN: </label>0-8243-0921-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Annual Reviews-Astronomy and Astrophysics<br/>Astronomy and Astrophysics Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>047.1:52  / ARA-21