00468nam a2200169Ia 4500008004100000020001500041082001600056100001900072245004100091260005300132300000800185650003300193650002000226653001600246700001700262700001900279170901s2002    xx            000 0 und d  a8123907869  a363.7bM45E  aMathur, Ramesh 0aEnvironment 2001bA Global Challenge  aNew DelhibCBS Publishers and Distributorsc2002  a234  aSocial problems and services  aSocial sciences  aEnvironment  aMathur, Asha  aSharma, Sanjay