| 000 | 004150000a22001570004500 | ||
|---|---|---|---|
| 020 | _a0521098432 | ||
| 060 | _a100 | ||
| 082 | _a631 GRI | ||
| 100 | _aGrigg, D.B. | ||
| 245 | _aAgricultural systems of the world : an evolutionary approach | ||
| 260 | _aCambridge, Cambridge University Press | ||
| 260 | _c1974 | ||
| 300 | _a358 | ||
| 650 | _aAgriculture - early history/ agriculture - shifting | ||
| 942 | _cBK | ||
| 999 |
_c352551 _d352551 |
||