Hartman, William K. <br/><br/>
Astronomy :  the cosmic journey / 
William K. Hartman, Chris Impey. 
 - 5th ed. 
 - Calif. :  Wadsworth Pub.,  c1994. 
 - 728p. : col. ill. ; 26 cm. 
<br/><br/> Includes bibliographical references, glossary and index. 
<br/><br/><label>ISBN: </label>0534211925 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.<br/>Astronomy.