000 00288nam a2200121Ia 4500
008 220201s1988 xx 000 0 eng d
082 _a628.3
_bGAR
100 _aGarg,SK
245 0 _aSewage&waste disposal engineering
260 _bKhanna publisher
_c1988
300 _a474
942 _2ddc
999 _c83916
_d83916