Robbins, Ralph Robert <br/><br/>
Discovering astronomy / 
R. Robert Robbins, William H. Jefferys 
 - 2nd ed. 
 - New York, N.Y. :  Wiley,  c1988 
 - 480 p. :  col. ill. +  1 instrument package 
<br/><br/><label>ISBN: </label>0471832111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ASTRONOMY
<br/><br/><label>LC Class. No.: </label>QB43.2  / R622D 1988