| 000 | 00489nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631 | ||
| 100 | _aShaner,W.W. | ||
| 245 | _aReadings in farming systems research and development. | ||
| 260 |
_aColorado _bWestview _c1982 |
||
| 300 | _a175 | ||
| 650 | _aAgriculture | ||
| 653 | _aAgriculture | ||
| 653 | _aCrop Production | ||
| 653 | _aFarming Systems | ||
| 700 | _aPhilipp,P.F. | ||
| 700 | _aSchmehl,W.R. | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c10170 _d10170 |
||