1. On the contributions of ground pressure and vehicle mass to soil compaction for vehicles carrying high and low payloads;Smith,1984
2. The compaction of a sandy loam by wheels supporting 1·73 t at four different ground pressure;Smith,1985
3. Compaction of a sandy loam by a single wheel supporting one of four different masses at a similar ground pressure;Smith,1985
4. Compaction of a sandy loam by a single wheel supporting one of two masses each at two ground pressures;Dickson,1986
5. Agricultural Soil Mechanics;Koolen,1983