000 00378pam a2200157a 44500
999 _c6962
_d6962
020 _a9788174092304
082 _a628.3
_bGAR
100 _a Garg, S. K.
245 _aSewage disposal and air pollution engineering
260 _a India
_b Khanna Publ.
_c 1979
300 _a1189
650 _a
650 _aᅠAir Pollutionᅠ
650 _aSewage Disposalᅠ
942 _cBK