00456nam a2200217Ia 4500 181031s9999 xx 000 0 und d 696 BIR Birdie G.S. Water Supply and Sanitary Engineering. 3rd. ed. Dhanpat Rai and Sons 1993 p.xvi;979p. 75 Rupees 0 0 Services BK 1328 1328 1 0 ddc 0 0 KRVIA KRVIA GEN 2018-10-31 0 696 BIR 1330 2018-10-31 2018-10-31 BK