1. Binder Characterization and Evaluation, vol. 2: Chemistry, SHRP-A-368;Branthaver,1993
2. The diffusion model and asphalt age-hardening;Tuffour;Proc. Assoc. Asphalt Paving Technol.,1990
3. Effects of physicochemical factors on asphalt oxidation kinetics;Petersen;Transport. Res. Record,1993
4. Relation between asphalt composition and hardening by volatilization and oxidation;Traxler;Proc. Assoc. Asphalt Paving Technol.,1961
5. van Gooswilligen G, De Bats FTh, Harrison T. Quality of paving grade bitumen — a practical approach in terms of functional tests, Proceedings of 4th Eurobitume Symposium, vol. I, Madrid, October 1989, pp. 290–297.