000 00467nam a2200133Ia 4500
001 MPKV052855
008 120911s9999 xx 000 0 und d
082 _a630
245 _aJournal of the Association of Official Agricultural Chemists Vol 29
_c;
246 _aJournal of the Association of Official Agricultural Chemists Vol 28
246 _aJournal of the Association of Official Agricultural Chemists Vol 29
260 _aUSA
_bA O A C
_c1946
650 _aAgronomy
999 _c50855
_d50855