00348nam a2200133Ia 4500008004000000020001800040082001700058100001800075245003100093260004500124300000800169650002000177700001700197210210b1990   xxu||||| |||| 00| 0 eng d  a81 85031 41 X  a628.168 PURW  aPUROHIT (S S)  aWater, life and pollution.  aBikanerbAgro Botanical Publishersc1990  a108  aWater pollution  aAXENA (M M).