| 000 | 00442nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1979 xx 000 0 und d | ||
| 082 | _a631.42 G21M | ||
| 100 | _aGasser, J.K.P. | ||
| 245 | 0 | _aModelling nitrogen from farm wastes | |
| 260 | _c1979 | ||
| 650 | _aLIQUID FERTILIZERS AND MANURES -- MATHEMATICAL MODELS | ||
| 653 | _aFARM MANURE -- MATHEMATICAL MODELS | ||
| 653 | _aLIQUID FERTILIZERS AND MANURES -- MATHEMA | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c81101 _d81101 |
||