1. Effects of a plough support wheel during ploughing;Ahokas;J. Agric. Eng. Res.,1996
2. An experimental investigation of the characteristics of and conditions for brittle failure in two-dimensional soil cutting;Aluko;Soil Till. Res.,2000
3. Bailey, A.C., Burt, E.C., Way, T.R., Johnson, C.E., Erbach, D.C., Wood, R.K., 1998. Soil-induced deformations of bias and radial-ply tractor tires. ASAE Annual International Meeting, Orlando, Florida, U.S.A., 12–16 July, 1998, ASAE Paper no. 981078, p. 15.
4. Influence of spring preparation date and soil water content on seedbed physical conditions of a clayey soil in Sweden;de Toro;Soil Till. Res.,2003
5. Relation of size of cut to tillage tool efficiency;Gill;Agric. Eng.,1960