Official methods of analysis of the association of official analytical chemists  

 - 11th ed. 
 - Washington DC:   Association of Official Analytical Chemists ,   1970 
 - xxii, 1015p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Universal Decimal Class. No.: </label>R 543    / L0