| 000 | 00524nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1971 xx 000 0 und d | ||
| 082 | _a338. 102 091 724 D12S | ||
| 100 | _aDALRYMPLE, Dana G | ||
| 245 | _aSurvey of multiple copping in less developed nations | ||
| 260 |
_bWashington _c1971 |
||
| 300 | _a108p | ||
| 650 | _aCROPPING SYSTEMS -- ECONOMIC ASPECTS -- DEVELOPING COUNTRIES | ||
| 653 | _aCROPPING SYSTEMS -- ECONOMIC ASPECTS -- DEVE | ||
| 653 | _aMULTIPLE CROPPING -- ECONOMIC ASPECTS -- DEV | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c90435 _d90435 |
||