000 002970000a22001330004500
650 1 4 _9145107
_aECONOMIA AGRICOLA
593 _a7-10-1994
260 _bDepartment of Agriculture. Bureau of Agricultural Economics
362 1 _a19-
596 _aI
245 1 0 _aCS
590 _gUSA
942 _cCR
999 _c130502
_d130502