| 000 | 005080000a22001690004500 | ||
|---|---|---|---|
| 020 | _a0 521 20269 8 | ||
| 060 | _a100 | ||
| 082 | _a630 GRI | ||
| 100 | _aGrigg, D B | ||
| 245 | _aAgricultural systems of the world : An evolutionary approach | ||
| 260 | _aCambridge, Cambridge University Press | ||
| 260 | _c1974 | ||
| 300 | _a358 | ||
| 490 | _aCambridge geographical studies | ||
| 650 | _aAgricultural systems- World/ Wet-rice cultivation- Asia/ Technical economic changes agriculture | ||
| 942 | _cBK | ||
| 999 |
_c353282 _d353282 |
||