Huffer,  Charles  M. <br/><br/>
Introduction to astronomy. 
Charles  M  Huffer, Fredrick E. Trinklein and Mark Bunge 
 - 2nd ed 
 - New York  Holt Rinehart and Winston  c1973 
 - xiii,507p.:ill.;  24cm. 
<br/><br/><label>Dewey Class. No.: </label>520  / HUF