000 00305nam a2200133Ia 4500
008 191201s2011 xx 000 0 und d
100 _aMAHAJAN,SP
245 0 _aAir Pollution Control
250 _aRep
260 _aN. delhi
_bTeri Press
_c2011
300 _a184
650 _aB.Tech(CE)
942 _2ddc
_cBK
999 _c5750
_d5750