Abell, George O. <br/><br/>
Realm of the universe / 
George O. Abell. 
 - Philadelphia :   Saunders College Pub.,   c1984. 
 - 466 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>003058504X 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Astronomy.
<br/><br/><label>Dewey Class. No.: </label>Cir 523 Ab3 1984