Protheroe, W. M <br/><br/>
Exploring the universe / 
W.M. Protheroe, E.R. Capriotti, G.H. Newsom 
 - 3rd ed. 
 - Columbus :  Merrill,  1984 
 - xv, 586 p.,  32  p. of plates :  ill. (some col.) ;  25 cm. 
<br/><br/> Maps on lining papers 
<br/><br/>Includes index Bibliography: p. 566-572 
<br/><br/><label>LCCN: </label>83-62521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy