00624nam a2200265 a 450000100080000000500110000800800410001910000200006024500270008026000740010730000090018149000210019065000090021165000110022065000110023165000100024265000100025265000090026265000150027165300110028665300160029765300180031365300120033165300150034315878711992-07-15 1981 bl uuuu 00u1 u #d1 aPORTUGAL, A. D. aBeef sector of Brazil. aLaxenburg: International Institute for Applied Systems Analysisc1981 a61p. a(Norking Paper). abeef acattle amodels aCarne aCorte aGado aProdução aBrasil aEconometric aEconometricos aModelos aProduction