Pasachoff, Jay M. <br/><br/>
Contemporary astronomy / 
Jay M. Pasachoff. 
 - 4th ed. 
 - Philadelphia :  Saunders,  1989. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0030232473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>LC Class. No.: </label>QB45  / Pas 1989