Official methods of analysis of the Association of Official Analytical Chemists / 
edited by Sidney Williams 
 - 14th ed. 
 - Amington,Va.:  Association of Official Analytical Chemists,  1984 
 - xxvi, 114p.:  ill. 
<br/><br/><label>ISBN: </label>0935584242 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic