000 00297nam a2200109Ia 4500
100 _aGarg, s.k.
_91173
250 _a39th.
020 _a978-81-7409-230-1
942 _cBK
245 _aENVIRONMENTAL ENGINEERING (VOL. II) SEWAGE WASTE DISPOSAL AND AIR POLLUTION ENGINEERING
260 _bKhanna pub.
999 _c385816
_d442280