| 000 | 00379nam a22001337a 4500 | ||
|---|---|---|---|
| 020 | _a0-85-334-823-5 | ||
| 082 | _a630 SPE/AN | ||
| 100 | _aC R W Spedding | ||
| 245 | _aAn Introduction To Agricultural Systems | ||
| 260 |
_aLondon _bApplied Science Publishers Ltd. _c1979 |
||
| 300 | _a169 | ||
| 650 |
_athe purpose of agriculture _asystems approach to agriculture |
||
| 942 | _cBK | ||
| 999 |
_c298952 _d298952 |
||