1. Binder Characterization and Evaluation, Volume 3: Physical Characterization;Anderson,1994
2. Observations on the rheology and fracture of bitumens and asphalt mixes;Heukelom,1966
3. A bitumen test data chart for showing the effect of temperature on the mechanical behavior of asphaltic bitumens;Heukelom;J. Inst. Pet.,1969
4. Transverse pavement cracking related to hardness of the asphalt cement;McLeod,1968
5. Asphalt specifications in British Columbia for low temperature performance;Readshaw,1972