Horwitz, William <br/><br/>
Official methods of analysis of AOAC international, / 
Horwitz, William. 
 - 18th ed 
 - Gaithersburg, Md.]:  AOAC International,  2005. 
 - 25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0935584803 
<br/><br/><label>Dewey Class. No.: </label>630.243 19 OFF