ChemPRODUCTindex / 
edited by Friedrich W. Derz 
 - Berlin :  De Gruyter,  1976 
 - 2 v. ;  30 cm. 
 - ChemBUYdirect .
<br/><br/><label>ISBN: </label>3110021412 
<br/><br/><label>LCCN: </label>76-14445 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemicals--Catalogs<br/>Chemicals--Manufacture and industry--Directories