New Directions: Results-oriented multi-pollutant air quality management Brook, Jeffrey R. ; Demerjian, Kenneth L. ; Hidy, George ; Molina, Luisa T. ; Pennell, William T. ; Scheffe, Richard Abstract Publication: Atmospheric Environment Pub Date: 2009 DOI: 10.1016/j.atmosenv.2008.12.041 Bibcode: 2009AtmEn..43.2091B