00541nam a2200181Ia 4500008004100000020001500041082001800056100008100074245001600155260005900171300000800230650003300238650002000271653001800291700001800309700001500327700001700342170901s1998    xx            000 0 und d  a0812041281  a363.7394bI5P  aInternational Specialized Conference Water Quality and Its Management, First 0aProceddings  aNew DelhibCentral Board of Irrigation and Powerc1998  a583  aSocial problems and services  aSocial sciences  aWater quality  aKaushish, S.P  aRao, A.R.G  aVarma, C.V.J