00510nam a2200205 a 450000100080000000500110000800800410001910000420006024500260010226000250012830000140015349000080016765300110017565300290018665300170021565300150023265300160024765300180026365300230028110198662018-04-06       1981    bl uuuu     u0uu1 u    #d1 aSECRETARIA ESPECIAL DO MEIO AMBIENTE.  aLegislação básica.  aBrasilia: SEMAc1981  a49 p. v.2  vv.2  aBrasil  aEnvironmental protection  aEnvironments  aLegislacao  aLegislation  aMeio ambiente  aProtecao ambiental