00457nam a2200133 a 450000500170000008200160001710000060003311000760003924500550011526000850017030000270025549000190028263000220030120251203091156.0 a628.43bUNI d_ aIndia : Central board for the prevention and control of water pollution aUnion territory of Pondicherrybpreliminary report aNew DelhibCentral board for the prevention and control of water pollutionc1984 axvi, 31 p.b22 cm.cPB aCUPS/9/1983-84 aPollution control