000 00287nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
082 _a628
100 _aSinghal, RP
245 2 _aA tb of sanitary engineering
260 _bRoorkee: Mis S. Singhal
_c1966
300 _a149
942 _2ddc
999 _c73752
_d73752