00324naa a2200121 a 450000100080000000500110000800800410001902200140006010000200007424500370009426000090013177300620014012827211994-05-31       1971    bl uuuu     u00u1 u    #d  a0015-38261 aCARVALHO, J. F.  aO problema da poluicao ambiental  c1971  tBrasil Florestal, Rio de Janeirogv.2, n.5, p.27-32, 1971