00271nam a2200097Ia 4500080001800000100001400018245008300032260002500115300001400140583001900154  a07.06.01 B592  aBiggs, S.  aAgricultural research and the rural poor : a review of social science analysis  bIDRCaOttawaCAc1990  ax, 139 p.  c3/7/00kM2LMGR