Abell George O <br/><br/>
Realm of the universe,2nd ed 

 - Philadelphia  1980 
 - 438p 
<br/><br/><label>ISBN: </label>978-0030567964 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>530 ABER