| 000 | 00380nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 020 | _a865315027 | ||
| 080 |
_a631.58 _bS18R |
||
| 100 | _aShaner, W.W | ||
| 245 | _aReadings in farming systems research and development. | ||
| 260 |
_aBoulder _bWestview Press _c1982 |
||
| 300 | _a175p.; il. | ||
| 901 | _a198830 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c12043 _d12043 |
||