00329nam a2200121 a 4500008004100000050001400041100000700055245005800062260004800120300001600168350000900184700001400193120416s1991    ||||||||||||||||| ||    u  aS 496 Dev  aDr10aDeveloping world agriculturecedited by Dr. A. Speedy  aOxfordbGrosvenor Press Internationalc1991  a256p. : ill  a0.00  aSpeedy, A