000 00345cam a22001097a 4500
008 180718b1978 xxu||||| |||| 00| 0 eng d
082 _aZ2x728 In8
245 _aA model of agricultural production and trade in central America
_cby World Bank, U.S.A.
260 _aWashington, D.C.
_bWorld Bank
_c1978
300 _a81p.
700 _aU.S.A. World Bank
999 _c328112
_d328112