000 00311 a2200109 4500
008 180629b xxu||||| |||| 00|
100 _9Horwitz,W
245 _aOfficial methods of analysis of association of official agricultural chemistry
_cHorwitz,W
260 _bThe Association,
300 _a1141 p
942 _2ddc
_cBK
999 _c6392
_d6392