00292nam a2200121Ia 4500008004100000020001800041041000800059082001700067100001700084245004400101260001600145300000900161230717s9999    xx            000 0 und d  a81-314-0654-7  aeng  a344.046bKUM  aKumari A,.K.  aEnviranment And Sustainable Development  bIcfaic2007  a200p