000 00286nam a2200121Ia 4500
008 160710s1976 xx 000 0 und d
082 _a628.53 CRA
100 _aCRAWFORD,M.
245 _aAIR POLLUTION CONTROL THEORY
260 _bMC GRAW HILL
_c1976
300 _a624
942 _2ddc
_cB
999 _c39522
_d39522