000 | 00383nam a2200121Ia 4500 | ||
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001 | MPKV052849 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a630 | ||
245 |
_aJournal of the Association of Official Agricultural Chemists Vol 23 _c; |
||
246 | _aJournal of the Association of Official Agricultural Chemists Vol 23 | ||
260 |
_aUSA _bA O A C _c1940 |
||
650 | _aAgronomy | ||
999 |
_c50849 _d50849 |