Geoge O. Abell <br/><br/>
Realm of the Universe 

 - 2nd 
 - Philadelphia  Saunders College  1980 
 - 438 p 
<br/><br/><label>ISBN: </label>0-03-056796-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>LC Class. No.: </label>QB45.A163/