00420nam a2200133 a 4500008004100000020001500041050001400056100001600070245006600086246005700152260005100209300001700260350000900277120416s1996    ||||||||||||||||| ||    u  a9068321072  aS 540 Agr  aBudelman, A10aAgricultural R and D at the crossroadscedited by A. Budelman  amerging systems research and social actor approaches  aThe NetherlandsbRoyal Tropica Institutec1996  a247p. : ill.  a0.00