Ullmann, Fritz,  1875-1939. <br/><br/>
Ullmann's encyclopedia of industrial chemistry.  vol. A12  Formamides to hexamethylenediamine / 
editors, Barbara Elvers, Stephen Hawkins, Michael Ravenscroft, James F. Rounsaville and Gail Schulz.  
 - 5th completely rev. ed. 
 - Weinheim ;  New York, NY :  VCH,  1989. 
 - xv, 632 p. :  ill. ;  26 cm. +  hbk. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0895731622 (New York) 3527201122 (Weinheim) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Technical--Encyclopedias and dictionaries. 
<br/><br/><label>Dewey Class. No.: </label>660.203