00387pab a2200133 454500008004000000100002400040245008600064260000900150300001000159362000900169650003100178700002200209773002200231180718b1991   xxu||||| |||| 00| 0 eng d  aBinswanger, Hans P.  aTechnological change and commercialization in agriculturebThe effect on the poor  c1991  a57-80  aJan.  aAgriculture And Technology  aJoachim Von Braun  aResearch Observer