1. Exhaust particle size distribution measurements at the Tuscarora Mountain tunnel;Abu-Allaban;Aerosol Science and Technology,2002
2. Ahlvik, P., Eggleston, S., Gorissen, N., Hassel, D., Hickman, A.-J., Joumard, R., Ntziachristos, L., Rijkeboer, R., Samaras, Z., Zierock, K.-H., 1997. COPERTII methodology and emission factors. Technical Report No. 6, ETC/AEM, European Environment Agency, http://themes.eea.eu.int/binary/t/tech06.pdf.
3. Emissions of size-segregated aerosols from on-road vehicles in the Caldecott tunnel;Allen;Environmental Science and Technology,2001
4. Andersson, J., Wedekind, B., 2001. DETR/SMMT/CONCAWE Particulate Research Programme 1998–2001, Summary report. Report no. DP01/0515.
5. Cancer risk assessment, indicators and guidelines for polycyclic aromatic hydrocarbons (PAH) in the ambient air;Boström;Environmental Health Perspectives,2002