TY - BOOK AU - Shah,M.M. AU - Higgins,G.M. AU - Kassan,A.H. TI - Agro-Ecological Zone approach to crop production and population potentials PY - 1983///. CY - Rome ( Italy ): PB - FAO/IIASA, KW - Alimento KW - Populacao KW - Producao de alimento KW - Estatistica de producao N1 - FAO; 12 tables ; 13 illus ER -