Oster, Ludwig. <br/><br/>
Modern astronomy / 
Ludwig Oster. 
 - San Francisco :  Holden-Day,  c1973. 
 - xii, 448 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0816265232 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.
<br/><br/><label>Dewey Class. No.: </label>520  / OSM 1973