1. Tillage tool wear-some governing factors, measuring techniques and materials for wear resistance;Quick,1989
2. A strategy for tribology in Canada,1986
3. Investigation of wear of agricultural tillage tools;Kushwaha;J Soc Tribol Lubr Eng,1991
4. A research on determination of wearing of some tillage tool shares. Ege University;Ulusoy;J Agric Fac,1981
5. Determination of wearing of chisel ploughshares, which are manufactured in Trakya Region under the field condition;Bayhan,1997