Hartmann, William K. <br/><br/>
Astronomy the cosmic journey / 
William K. Hartmann 
 - Belmont :  Wadsworth,  1987 
 - 548 p. :  illus 
<br/><br/><label>ISBN: </label>0534079385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.
<br/><br/><label>Dewey Class. No.: </label>520  / H333A