Abell, George O.. <br/><br/>
Realm of Universe /  

 - 5th edn /  
 - New York :   Saunders college Publishing ,   1980 
 - I-9,501p :  
<br/><br/><label>ISBN: </label>0-03-001664-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B9  / N4