00299nam a2200109Ia 4500008004100000020001800041082001500059100001600074245004400090260004300134300001200177190710s9999    xx            000 0 und d  a92-0-108250-4  a301.31 B46  aBhalla, A S 0aEnviromental employment and development  aGenevabInternational Labour Offc1992  aix, 177