The Sigma-Aldrich library of chemical safety data / 
Edited by Robert E. Lenga 
 - 2nd edition 
 - Milwaukes, WI. :  Sigma-Aldrich Corp.,  1988 
 - 2v. :  ill. ;  32 cm. 
<br/><br/><label>ISBN: </label>0941633160  set 
<br/><br/><label>LCCN: </label>87-63501 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hazardous substances--Handbooks, manuals, etc.
<br/><br/><label>National Library of Medicine Call No.: </label>WA22