1. Effect of average speed and volume on motor vehicle accidents on two-lane tangents;Belmont;HRB Proc.,1953
2. A comparison of five techniques of measuring road accident experience;Greenberg;J. Safety Res.,1971
3. Levels of safety in accident studies—a safety index;Hakkert;Proc. of the 8th Australian Road Research Conf.,1976
4. A model for forecasting traffic accidents;Jørgensen,1969
5. Towards a methodology of traffic safety measurment and program evaluation;Katz;Accid. Anal. & Prev.,1971