The Encyclopedia of chemistry / 
Editor-in-chief: George L. Clark.Managing editor: Gessner G. Hawley. 
 -  ill. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry--Dictionaries
<br/><br/><label>LC Class. No.: </label>QD5  / .E58 1966