00441cam a22001217a 4500008004000000082001600040245008300056260004900139300001000188440007900198650002800277650001400305180718b1990   xxu||||| |||| 00| 0 eng d  aO91x54 W343  aWater quality statistics of India 1979-1987cby Cental Pollution Control Board  aDelhibCentral Pollution Control Boardc1990  a184p.  aMonitoring of Indian national aquatic resources: minars/3/1989-90(ENVIS-1)  aWater pollution - India  aPollution