000 00415nam a2200157Ia 4500
008 211115s9999 xx 000 0 und d
020 _a0-675-09277-9
041 _aeng
082 _aE1981:(B)
_bL0
100 _aAtkisson, Arthur .
245 0 _aDevelopments of Air Quality Standards /
260 _aOhio :
_bBell & Howell Company ,
_c1976
300 _aix, 220p ;
650 _aChemistry <Air>
942 _cTB
999 _c23274
_d23274