Zeilik, Michael <br/><br/>
Astronomy :  the evolving universe / 
Michael Zeilik 
 - 3rd ed. 
 - New York :  Harper & Row,  1982 
 - 623 p. ;  29 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0060473762 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy