00528nam a2200193 a 450000500170000002000180001708200150003510000160005024500570006626000410012330000290016450000500019360000080024363000290025163000250028063000170030585600060032285600060032820251219155826.0  a9788120416833  a628.1bHUS  aHusain, S.K  aTextbook of water supply and sanitary engineeringb_  aNew DelhibOxford & I B H Pub.c2005  axvii, 557 p.c24 cm.bPB  aIncludes bibliographical references and index  bc_  aWater-supply engineering  aSanitary engineering  aWater-supply  f_  a_