Official methods of analysis of the Association of Official Analytical Chemists, vol. 1/ 
Association of Official Analytical Chemists. 
 - Washington, DC :   The Association,   1990. 
 - 157 p.:  27 cm. 
<br/><br/><label>ISBN: </label>9781130599961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural chemistry--Technique--Periodicals.<br/>Chemistry, Analytic--Periodicals.
<br/><br/><label>LC Class. No.: </label>S587  / OFF 1990