000 00509 a2200157 4500
080 _a543:63
_bA 849 O
245 1 _aOfficial methods of analysis of the association of official agricultural chemists
_cedited by W. Horwitz
250 _a9th edn.
260 _aWashington
_bAssociation of Official Agricultural Chemists
_c1960
650 _aOfficial Methods
650 _aAgricultural Chemists
700 _aAssociation of Official Agricultural Chemists
100 _a
_d
300 _a832 p.
901 _a80110
999 _c26995
_d26995