Mitton Simon Ed. <br/><br/>
Cambridge encyclopedia of astronomy. 

 - London  Jonathan Cape Thirty Bedford Square     1977 
 - 481p.  cm. 
<br/><br/><label>Standard No.: </label>38417 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>B9k,N77, L7    RR