McGraw-Hill encyclopedia of science and technology :  an international reference work /  Volume 9 :  nai-pep. 

 - New York :  McGraw-Hill,  1966. 
 - 629 p. :  illus. (part col.) maps.  27 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encyclopedias.<br/>Technology--Encyclopedias.
<br/><br/><label>Dewey Class. No.: </label>R 503  / MCG V-9 1966