000 00421nam a2200157Ia 4500
008 211115s9999 xx 000 0 und d
041 _aeng
082 _aD854
_bL6
100 _aCrawford, Martin.
245 0 _aAir pollution control theory /
250 _aTMH Edn. /
260 _aNew Delhi :
_bTata McGraw-Hill Publishing Company Ltd ,
_c1982
300 _axi,624p :
650 _aInertial Devices
942 _cTB
999 _c34957
_d34957