Burkhardt, G. <br/><br/>
Astronomy and Astrophysics Abstracts  vol. 64A, pt. 2 
Burkhardt, G., Esser, U. and Hefele, H. 
 - Berlin  Springer-Verlag  1996 
 - x, 703p 
<br/><br/><label>ISBN: </label>3-540-61552-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Abstracts
<br/><br/><label>Universal Decimal Class. No.: </label>048.1:52  / 64A