00568cam a22001217a 4500008004000000082001300040245014500053260008100198300001000279440007100289650001800360700006800378180718b1987   xxu||||| |||| 00| 0 eng d  aO91 M317  aManual for statistical analyses and interpretation of water quality datacby Central Board for the Prevention and Control of Water Pollution  aDelhibCentral Board for the Prevention and Control of Water Pollutionc1987  a151p.  aMonitoring of Indian national acquatic resources, Minars/2/1986-87  aWater quality  aCentral Board for the Prevention and Control of Water Pollution