000 00470cam a22001457a 4500
008 180718b1992 xxu||||| |||| 00| 0 eng d
082 _aZ7 M365
100 _aMartin, Will
245 _aAn exact approach for evaluating the benefits from technological change
_cby Will Martin and Julian M. Alston
260 _aWashington, D.C.
_bIBRD
_c1992
300 _a31p.
440 _aWorking papers WPS 1024
650 _aAgriculture and Technology
700 _aAlston, Julian M.
999 _c226420
_d226420