1. Prediction of rigid wheel performance based on the analysis of soil-wheel stresses;Wong;J. Terramechanics,1967
2. The performance of rigid cylindrical wheels on clay soil;Uffelmann,1961
3. Radial and shear stress distribution under rigid wheels and pneumatic tires operating on yielding soils with consideration of tire deformation;Krick;J. Terramechanics,1969
4. The analytical determination of draw-bar pull as a function of slip for tracked vehicles in deformable soil;Janosi,1961
5. Off-The-Road Locomotion;Bekker,1960