Evans, David S. <br/><br/>
Frontiers of astronomy 

 - London  Sigma Books Ltd.  1946 
 - 175 
 - Sigma Introduction to Science 1 .
<br/><br/> With illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Science
<br/><br/><label>Dewey Class. No.: </label>520  / Ev15f