1. Bell A. Summary report on the aging of asphalt-aggregate systems. Report SR-OSU-A-003A-89-2 Strategic Highway Research Program. Transportation Research Board; 1989.
2. Bell CA, Kliewer JE. Evaluating aging of asphalt mixtures. In: Proceedings of the workshop held. Dublin, 6–7 November, 1997.
3. Investigation of laboratory aging procedures for asphalt–aggregate mixtures;Bell;Transp Res Rec,1991
4. Effects of aging on viscoelastic properties of asphalt–aggregate mixtures;Daniel;Transp Res Rec: J Transp Res Board,1998
5. Goode J, Lufsey LA. Voids, Permeability, Film Thickness vs Asphalt Hardening. In: Proceedings of the association of asphalt paving; 1965. p. 430–63.