000 00319nam a2200133Ia 4500
100 _aGarg, S.K.
100 _aGarg, S.K.
_97540
250 _a11th. Ed.
942 _cBK
245 _aSewage Disposal And Air Pollution Engineering
260 _bKhanna Publishers
_aDelhi
_c1998
082 _bGAR
_a628.5
300 _a827 p.
999 _c52873
_d52873
041 _aeng
546 _aText in English
300 _c20 cm.