OFFICIAL methods of analysis of the association of official analytical chemists.- 15 th Kenneth text Arlington Association of Official Analytical Chemists 1990 15th edition en xxiv, 746 p.: ill.; 29 cm. Kenneth AGRICULTURE -- CHEMISTRY -- CHEMICAL ANALYSIS 543.06/OFF2 0-935584-42-0 240223 20240223092428 INLIS000000000009792 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)