000 00498nam a22001937a 4500
008 111114t xxu||||| |||| 00| 0 eng d
020 _a0521483409
080 _a338.43.01
100 _aUpton, Martin
_930
245 _aThe economics of tropical farming systems
_cMartin Upton
250 _as ed.
260 _aCambrige
_bCambrige University
_c1996
300 _a374p.
_b
_e
300 _b
_e
650 _aEconomia agricola
_931
942 _2udc
_cBK
300 _c
_f
_g
300 _c
_f
_g
999 _c9708
_d9708