The Merck index :  an encyclopedia of chemicals, durgs, and biologicals / 
editor, Susan Budavari ; associate editor,Maryadele J.O'Neil ; assistant editor, Ann Smith ; editorial assistant Patricie E.  Heckelman. 
 - 11th ed., centennial ed. 
 - Rathway, N. J., U.S.A. :  Merck,  1989. 
 - 1 v. (various pagings) :  ill. ;  26 cm. 
<br/><br/> Ill. on lining papers. 
<br/><br/><label>ISBN: </label>091191028X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drugs--Dictionaries.<br/>Chemicals--Dictionaries.<br/>Biomolecules--Dictionaries.
<br/><br/><label>LC Class. No.: </label>RS51  / M47 1989