Astronomy and Astrophysics Abstracts  vol. 49A, 1989, pt.1 
edited by G. Burkhardt…[ et al.]                                                    
 - Berlin  Springer-Verlag  1990 
<br/><br/><label>ISBN: </label>3-540-52308-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abstracts-Astronomy<br/>Astronomy and Astrophysics Thesaurus<br/>Astrophysics
<br/><br/><label>Universal Decimal Class. No.: </label>049.1:52  / AAA-49A