00314nam a2200109Ia 4500008004100000020001500041082001700056100002400073245004800097260004800145300001100193161229s9999    xx            000 0 und d  a8171411746  a333.7 RAJ/CR  aRajashekharan, C V   aCritical issues in environmental management  bDiscovery Publishing HouseaNew Delhic1992  av, 430