00842naa a2200313 a 450000100080000000500110000800800410001910000200006024500810008026000090016165000260017065000140019665000130021065000220022365000130024565000120025865000120027065300170028265300120029965300090031165300230032070000230034370000170036670000140038370000230039770000230042070000190044377300660046214312592007-07-05       1986    bl ---       0--  u    #d1 aCANTO, W. L. do  aSistema ponderal de conversoes e determinacao de margens de comercializacao.  c1986  aagricultural products  amarketing  aAlimento  aComercialização  aEconomia  aMercado  aProduto  aAgropecuaria  aEconomy  aFood  aLivestock products1 aOLIVEIRA, O. G. de1 aCORTE, O. O.1 aVITTI, P.1 aVALLE, J. L. E. do1 aSILVEIRA, E. T. F.1 aSCHMUTZLER, R.  tEstudos Economicos-Alimentos Processadosgn.22, p.1-59, 1986.