000 004830000a22001450004500
245 _aPrediction of the effects of transportation controls on air quality in major metropolitan areas
260 _a[North carolina]
_aEnvironmental Protection Agency
_c1972
300 _avarios paging ; ill.
440 _aAir pollution technical data series
027 _aAPTD - 1363
080 _a656.017
_bP7
650 _aTRANSPORTATION - Environmental Aspects
041 _aEN
942 _cRR
999 _c45374
_d45374