1. The energy loss of a wheel;Schuring,1966
2. Prediction of rigid wheel performance;Jo-Yung-Wong;J. Terramechanics,1967
3. A Quantitative Approach to the Pneumatic Tire-Soft Soil System;Kraft;U.S. Army Eng. Waterways Experiment Station M.P. No. 3-944,1967
4. Soil failure beneath rigid wheels;Jo-Yung-Wong,1966
5. Contribution to the mechanics of rigid wheels on sand;Wiendieck;U.S. Army Eng. Waterways Experiment Station, Tech. Report M-68-2,1968