000 00346nam a22001337a 4500
999 _c6439
_d6439
003 AUM
020 _a9788174092304
082 _a628.3/GAR
100 _aGarg, S.K.
245 _aEnvironmental Engineering Vol II
_bSewage Disposal And Air Pollution Engineering
260 _aNew Delhi
_bKhanna Publishers
_c2019
300 _a1128p.
942 _2ddc
_cBK