Zeilik, Michael <br/><br/>
Introductory astronomy and astrophysics 
by Michael Zeilik and Elske v.P.Smith 
 - Philadelphia  Saunders College Publishing  c1986 
 - vii,503p.  ill.;  26cm 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>0030044995 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.<br/>Astrophysics.