000 00383nam a2200121Ia 4500
001 MPKV061932
008 120911s9999 xx 000 0 und d
082 _a630
245 _aJournal of the Association of Official Agricultural Chemists Vol.47
_c;
246 _aJournal of the Association of Official Agricultural Chemists Vol.47
260 _aUSA
_bA O A C
_c1964
650 _aAgronomy
999 _c59918
_d59918