1. Nunn ME, Brown A, Weston D, Nicholls JC. Design of long-life flexible pavements for heavy traffic, TRL Report 250, Transport Research Laboratory, Crowthorne, UK; 1997.
2. APA. Perpetual pavements – A synthesis, Asphalt Pavement Alliance Order No. APA 101, Lanham, MD; 2002.
3. Concepts of perpetual pavements;Newcomb,2001
4. Development and uses of hard grade asphalt and of high modulus asphalt mixes in France;Corté,2001
5. Hot mix asphalt materials, mixture design, and construction;Roberts,1996