00564nam a2200181Ia 450000500170000000800410001702000140005804000190007204100120009108200160010324500830011926000590020230000110026150400400027265000400031265100200035285000100037220230602104319.0131103s9999    xx            000 0 und d  cRs.500.00  aLoreto College  aEnglish  a333.91bWES  aWater Resource and its quality in West Bengalb A state of environment report   aWest BengalbWest Bengal Pollution Control Boardc2009  a351p.   aIncludes bibliographical references  aWest Bengal Pollution Control Board  aWater Resources  aLCLIB