1. American Association of State Highway Officials (AASHO). (1962). “The AASHO road test.” Rep. No. 1012 Washington DC.
2. Carlsson A. (2009). “Evaluation of 2+1 roads with cable barrier.” Rep. No. 636A VTI Rapport Linköping Sweden.
3. Regression models and life-tables;Cox D.;J. R. Stat. Soc.,1972
4. Comparative analysis on mean life reliability with functionally classified pavement sections
5. Dong Q. (2011). “Enhancement of pavement maintenance decision making by evaluating the effectiveness of pavement maintenance treatments.” Ph.D. thesis Univ. of Tennessee Knoxville TN.