000 00324nam a2200121Ia 4500
020 _a9788174092304
100 _aSanthosh Kumar Garg
245 _aEnvironmental Engineering; VOL- 2: Sewage and Air Pollution Engineering
250 _a23rd
260 _c2012
_bKhanna Publishers
_aNew Delhi
300 _axx+1230
942 _cBK
999 _c55406
_d55406