000 00294nam a2200121Ia 4500
008 220901s2013 xx 000 0 eng d
082 _a628.1 SIN
100 _aSingh, G
245 0 _aWater supply & sanitary engineering
260 _b Standard
_c2013
_aDelhi:
300 _a512
942 _2ddc
_cBK
_02
999 _c995
_d995