00343nam a2200145Ia 4500080001800000040001600018245007600034260002400110300000900134500001400143650001300157010000900170011000900179010000900188  a504.03 PNU au  aBIEFCVbPor  aAudit de la terre: l'environnement mondial 1972-1992 et mantenant/ PNUE  aParis:bPNUE,c1992  a27p.  aInv. 2016  aAmbiente  atrue  aPNUE  atrue