Arny, Thomas T. <br/><br/>
Explorations :  an introduction to astronomy 

 - Boston  Mosby  1994 
 - 1 volume various pagings  p. 
<br/><br/><label>ISBN: </label>0-8016-7423-9 
<br/><br/><label>Dewey Class. No.: </label>CIR  520.22 Ar6 1994 c.1