1. An Analysis of the Soil Stresses and Deformations Beneath a Rigid Wheel;Onafeko,1965
2. Theory of Land Locomotion (The Mechanics of Vehicle Mobility);Bekker,1956
3. Soil Mechanics in Relation to Fighting Vehicles;Micklethwaite,1944
4. The Sinkage of Tracked Vehicles on Soft Ground;Evans;J. Terramechanics,1964
5. The Performance of Rigid Cylindrical Wheels on Clay Soil;Uffelmann,1961