00502nam a2200157Ia 45000010005000000080041000050400013000460820018000591000019000772450100000962600082001963000011002785460007002896500025002967000023003211070140313s9999    xx            000 0 und d  cPK-LaUMT  a 363.7bNAZ-E  aMuhammad Nazim  aEnvironmental challenge:bfrom stockholm to rio and beyond.cMuhammad Nazim<>Nicholas Polunion,  aIslamabad, Pakistan:bGenewa Energy & Environment Society of Pakistan,c1993.  a284 p.  aEN  aEnvironmental policy  aNicholas Polunion,