00281    a2200121   4500001000700000020000600007040001100013100001600024240005200040245004700092362000900139440001100148167935  a   cMagnum  aDemo, Pedro10aPesquisa: principio cientifico e educativolpor10aPesquisa: principio cientifico e educativo0 a1899 1aCortez