00374nam a22001337a 4500082002700000100002100027245006000048250000600108260004500114300001500159526003700174650000800211700002100219  a628.1bSINcL-23, P-65  aSingh, Gurcharan  aWater supply and sanitary engineeringcSingh, Gurcharan  a1  aDelhi, IndiabStandard Publishers c1984  aP-517bill  a0b0c0d628_100000000000000_SIN  aMCE  aSingh, Gurcharan