00422nam a2200145 a 450000100080000000500110000800800410001910000190006024500880007926000450016730000100021250000200022265000240024265000100026610103342010-04-26       1984    bl uuuu  m   00u1 u    #d1 aCALEGAR, G. M.  aBrazilian wheat policy and its income distribution and trade effectsba case study.  aMinessota: University of Minessotac1984  a143f.  aTese Doutorado.  aPolítica Agrícola  aTrigo