1. Health Effects Institute (HEI) Panel on the Health Effects of Traffic-Related Air Pollution. Traffic-Related Air Pollution: A Critical Review of the Literature on Emissions, Exposure, and Health Effects; HEI Special Report 17; HEI: Boston, MA, 2009; available at http://pubs.healtheffects. org/getfile.php?u=553 (accessed February 20, 2010).
2. Allen, G.; Babich, P.; Poirot, R. Evaluation of a New Approach for Real Time Assessment of Wood Smoke PM; 2004; available at http://www. nescaum.org/documents/2004-10-25-allen-realtime_woodsmoke_indicator_ awma.pdf (accessed February 14, 2010).
3. Soliman, A.; Jacko, R. A Quantitative Approach to the Traffic Air Quality Problem: The Traffic Air Quality Index; J. Air & Waste Manage. Assoc. 2008, 58, 641-646; doi: 10.3155/1047–3289.58.5.641.
4. Baldauf, R.; Thoma, E.; Hays, M.; Shores, R.; Kinsey, J.; Gullett, B.; Kimbrough, S.; Isakov, V.; Long, T.; Snow, R.; Khlystov, A.; Weinstein, J.; Chen, F.L.; Seila, R.; Olson, D.; Gilmour, I.; Cho, S.H.; Watkins, N.; Rowley, P.; Bang, J. Traffic and Meteorological Impacts on Near-Road Air Quality: Summary of Methods and Trends from the Raleigh Near-Road Study; J. Air & Waste Manage. Assoc. 2008, 58, 865-878; doi: 10.3155/1047–3289.58.7.865.
5. Gietl, J.; Klemm, O. Analysis of Traffic and Meteorology on Airborne Particulate Matter in Münster, Northwest Germany; J. Air & Waste Manage. Assoc. 2009, 59, 809-818; doi: 10.3155/1047–3289.59.7.809.