00422    a2200157   4500020001500000082001500015100002100030245004600051250001200097260005300109300001800162650001600180650002800196700002100224700001900245  a0521586895  a630.2bNOR  aNorman, M. J. T.  aTropical food cropsbin treir environment  a2nd ed.  aNew YorkbCambridge University Pressc1995g1995  ax,430p.c22cm  aAgriculture  aAgricultural structures  aSearle, P. G. E.  aPearson, C. J.