Sill, William B. (edr) <br/><br/>
The New Popular Science Encyclopedia of the Sciences 

 - London  Ottenheimer Inc.  1968 
 - 757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia - Science
<br/><br/><label>Dewey Class. No.: </label>503  / N42