Comins, Neil F. <br/><br/>
Discovering the universe / 
by Neil F. Comins and William J. Kaufmann 
 - 6th ed. 
 - New York :  W H Freeman and Co,  2002. 
<br/><br/><label>ISBN: </label>0716796732 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy Universe 
<br/><br/><label>Dewey Class. No.: </label>523.1