000 | 004250000a22001570004500 | ||
---|---|---|---|
060 | _a100 | ||
082 | _a631.0913 RUT | ||
100 | _aRuthenberg, Hans | ||
245 | _aFarming systems in the tropics | ||
250 | _a2 | ||
260 | _aOxford, Clarendon Press | ||
260 | _c1976 | ||
300 | _a366 | ||
650 | _aFarming systems- Tropics/ Agriculture/ Cultivation systems/ Fallow system/ Ley systems/ Perenmial crops/ | ||
942 | _cBK | ||
999 |
_c361652 _d361652 |