Abell, George O. <br/><br/>
Exploration of the universe 
George O. Abell                                             
 - 4th ed. 
 - Philadelphia  Saunders Publishing  1982 
 - viii, 721p. 
 - Saunders College Sunburst Series .
<br/><br/><label>ISBN: </label>0-03-058502-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Astronomy and astrophysics thesaurus<br/>Universe
<br/><br/><label>Universal Decimal Class. No.: </label>52  / ABE