1. Theory of Land Locomotion;Bekker,1956
2. Off-the-Road Locomotion;Bekker,1960
3. Introduction to Terrain-Vehicle Systems;Bekker,1969
4. Terramechanics and its influence on the concepts of tractors, tractor power development, and energy consumption;Sohne;J. Terramechanics,1976
5. Prediction of ground pressure distribution under tracked vehicles;Garber;J. Terramechanics,1981