1. Accident statistics and the concept of accident proneness;Arbous;Biometrics,1951
2. Accident risks and capacity of single level intersections;Babkov;10th Int. Study Week in Traffic and Safety Engineering, Rotterdam, September,1970
3. Contributions to the theory of accident proneness;Bates,1952
4. Interchange accident exposure;Breunning;Highway Res. Board Bull.,1959
5. Some relationships between road accident frequencies and measures of exposure to risk;Chapman,1971