1. Logistic Regression Using the SAS System, Theory and Application;Allison,1999
2. Categorical Data Analysis;Agresti,1990
3. Campbell, B.J., Zegeer, C.V., Huang, H.H., Cynecki, M.J., 2004. A Review of Pedestrian Safety Research in the United States and Abroad. FHWA-RD-03-042. McLean, VA.
4. Pedestrian accidents: adult and pediatric injuries;Derlet;Journal of Safety Research,1990
5. The Analysis of Cross-Classified Categorical Data;Feinberg,1977