000 00455nam a2200193Ia 4500
008 240301s9999 xx 000 0 und d
020 _a9788174092304
082 _bGAR
100 _aGarg, S. K
245 0 _aSewage disposal and air pollution engineering
245 0 _bEnvironmental engineering
245 0 _n2
250 _a39th
260 _aNew Delhi
260 _bKhanna Publishers
260 _c2019
300 _axx, 1128
942 _cBK
999 _c186607
_d186607