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020 _a9788174092304
040 _aBD-DhGUBL
_bBD-DhGUBL
_cBD-DhGUBL
_dBD-DhGUBL
082 _223
_a628.53
_bG181s
100 _aGarg, S.K.
245 _aSewage Disposal and Air Pollution Engineering /
_cS.K. Garg.
250 _a23rd ed.
260 _aNew Delhi :
_bKhanna Publishers,
_c2011.
300 _axx,1230 p. :
_bills. ;
_c25 cm.
440 _aEnvironmental engineering ;
_vii
500 _aIncludes index.
650 _aCivil engineering
650 _aAir pollution
942 _2ddc
_cBK
999 _c3316
_d3316