Official methods of analysis 

 - 11 ed. 
 - Washington :  Association of Official Analytical Chemists,  1970 
 - 1015 p.  : ilus 
<br/><br/><label>LCCN: </label>22138 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química agrícola.<br/>Química analítica.
<br/><br/><label>Dewey Class. No.: </label>630.24  / A88 1970