1. Abdel-Aty, M., Al-Ahad, E., Helai, H., 2010. A Study on Visibility Obstruction Related Crashes Due to Fog and Smoke. In: 12th World Conference on Transport Research, Lisbon, Portugal.
2. The impact of unseasonable or extreme weather on traffic activity within Lothian region, Scotland;Al Hassan;J. Transp. Geogr.,1999
3. Auffray, B., 2007. Impact of an adverse weather on an American highway. MS Thesis. Portland State University, Portland, Oregon, USA.
4. Glare disability and driving safety;Babizhayev;Ophthal. Res.,2003
5. Choi, E.H., Singh, S. Statistical Assessment of the Glare Issue-Human and Natural Elements. In: National Center for Statistics and Analysis. National Highway Traffic Safety Administration, Washington D.C. http://www.fcsm.gov/05papers/Choi_Singh_IVA.pdf.