1. Optimum travel speed for maximum plowing acreage;Schlegel;Trans. Am. Soc. Agric. Engrs,1969
2. Predicting tractor field performance;Zoz;Paper 70–118. Am. Soc. Agric. Engrs,1970
3. Off-road traction prediction for wheeled vehicles;Wismer;J. Terramechanics,1973
4. A dimensional analysis of the performance of pneumatic tyres on soft soils;Freitag,1965
5. Tire selection and performance prediction for off-road wheeled vehicle operations;Turnage,1972