The Encyclopedia of chemistry / 
edited by Clifford A. Hampel, Gessner G. Hawley. 
 - 3rd ed. 
 - New York :  Van Nostrand Reinhold,  1973. 
 - xviii, 1198 p. :  ill. 
<br/><br/> 2nd ed. (1966), edited by G. L. Clark and G. G. Hawley. 
<br/><br/><label>ISBN: </label>0442230958 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Dictionaries.