00802nam a2200229 a 4500 120305r19931969ii a 001 0 eng 818630827X BD-KhUET BD-KhUET 628 21 Birdie, G.S. Water supply and sanitary engineering ,/ G S Birdie.& J S Birdie. 5th rev. enlarged ed. Delhi : Danpat Rai & Sons, 1992.[Reprinted 1993] xvi, 979 p. : ills. ; 22 cm. Includes index. Sanitary engineering. Water- supply. Birdie, Birdie. Joint author 3804 3804 0 0 ddc 0 0 KUETCL KUETCL GEN 1994-02-22 112.50 0 628 BIR 3010018163 2012-03-05 00:00:00 1 2012-03-05 BK