共 13 条
[3]
BAKER CB, 1966, AE4108 U ILL DEPT AG
[5]
FETTIG LP, TO BE PUBLISHED
[6]
CONSEQUENCES OF ACREAGE ADJUSTMENTS ON CORN-BELT FARMS
[J].
JOURNAL OF FARM ECONOMICS,
1960, 42 (04)
:905-909
[7]
HALCROW HG, TO BE PUBLISHED
[8]
HERR WMD, 1968, RURAL POVERTY US
[9]
HOPKIN JA, 1969, 2 COMM AGR CRED FARM
[10]
IRWIN GD, TO BE PUBLISHED