00458nam a2200157Ia 4500080001800000040001600018011001800034245011600052260003700168300000900205500001500214650002900229650002400258010000900282010000900291  a502.58 NAT pr  aBIEFCVbPor  aNations Unies  aPrévention et atténuation des catastrophes, Vol. VIII, aspects relatifs à l'assainissement/ Nations Unies  aNova York:bNations Unies,c1983  a80p.  aexemplares  aCatastrofe-prevenção  aSaneamento básico  atrue  atrue