1. National Cooperative Highway Research Program Synthesis of Highway Practice 14: Skid Resistance;Highway Research Board,1972
2. Evaluation of skid resistance characteristics and measurement methods;Andriejauskas,2014
3. Guide for Pavement Friction;Hall,2009
4. Friction Measurement Methods and the Correlation Between Road Friction and Traffic Safety – A Literature Review;Wallman,2001
5. Skid Resistance and Crashes; A Review of the Literature;Cairney,1997