000 | 003780000a22001450004500 | ||
---|---|---|---|
060 | _a100 | ||
082 | _a338.1 ECO | ||
100 | _aHeady, Earl O | ||
245 | _aEconomic development of agriculture: the modernization of farming | ||
260 | _aAmes, IOWA state university press | ||
260 | _c1970 | ||
300 | _a311 | ||
650 | _aFarming/agriculture-economic aspects | ||
942 | _cBK | ||
999 |
_c220896 _d220896 |