00401cam a2200169 450000500170000024500400001702000150005710000340007204400190010625000090012504100080013430000240014250000050016683000050017126000380017608200170021420260711133908.0 aManual sobre vigilancia ambientalb a9275321833 aPiza Teixeira, Paulo Fernando aEstados Unidos a1ยช  aspa a105 p. il.; 28 cm.  a v aWashington D.C. bOPS / OMSc1996 a614.7bP695m