000 00415nam a2200133 4500
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008 240908b |||||||| |||| 00| 0 eng d
040 _aISI Library
_bEnglish
_cISI Library
110 _aU.S Department of Agriculture
245 _aChanges in Farm Production and Efficiency :1967
260 _aWashington,D.C:
_bU.S Department of Agriculture,
_c1967
300 _a17 p.
942 _2ddc
_cRP
999 _c436372
_d436372