000 00368nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a GAR
100 _aGarg, S.K.
245 0 _aSewage Disposal And Air Pollution Engineering
245 0 _dII
260 _aNEW DELHI
260 _bKHANNA
260 _c2010
300 _axx,1230
650 _aCivil Engineering
999 _c118817
_d118817