1. Bartholomew C. L. (1989). Truck Tire Pressures in Colorado. Research Report No. CDOH-DTD-R-89-1 Center for Urban Transportation Studies University of Colorado at Denver.
2. Determination of Pneumatic Tyre/Pavement Interface Contact Stresses under Moving Loads and Some Effects on Pavements with Thin Asphalt Surfacing Layers;De Beer M.;Proceedings of Eighth International Conference on Asphalt Pavements . University of Washington, Seattle, Washington, pp,1997
3. De Beer M. and Fisher C. (2002). "Tire Contact Stress Measurements with the Stress-In-Motion (SIM) Mk IV System for the Texas Transportation Institute (TTI)" Contract Report No. CR-2002/82. Division of Roads and Transport Technology Council for Scientific and Industrial Research (CSIR) Pretoria South Africa.
4. Huang Y.H. (1993). Pavement Analysis and Design. Prentice-Hall Inc. Englewood Cliffs New Jersey.
5. Line haul transport cost and pavement damage characteristics of some Ontario trucks