1. Ian. M. Hutchings, “Tribology: Friction and Wear of Engineering Materials”, Edward Arnold, 01/01/1992, Technology and Engineering
2. Handbook of Friction Lubrication and Wear. 18; ASM International, USA, 1992
3. Dry bearings: a survey of materials and factors affecting their performance;Lancaster;Tribology,1973
4. Friction and wear of sintered iron;Gopinath;Wear,1997
5. Characteristics of wear results tested by pin -on- disc at moderate to high speeds, Tribology International, Vo1.29;So;No.5,1996