Jefferys, William H. <br/><br/>
Discovering astronomy 

 - New York  John wiley  1981 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0471441252 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Dewey Class. No.: </label>520  / JED