000 00539nam a2200169 a 4500
008 121119s1991 xx || ||||||| |d
020 _a0309046319
100 1 _aCommittee on Tropospheric Ozone Formation and Measurement
245 0 0 _aRethinking the ozone problem in urban and regional air pollution
260 _c1991
260 _bNational Academy Press
650 7 _aENVIRONMENTAL PROTECTION
_2unbist
650 7 _aENVIRONMENTAL MONITORING
_2unbist
650 7 _aAIR POLLUTION
_2unbist
650 7 _aOZONE LAYER
_2unbist
942 _cBK
999 _c6269
_d6269