1. M. Vocel, V. Dufek et al., Friction and wear of machine parts. SNTL, Prague, 1976, 374 pp. (in Czech).
2. N.A. Grinberg, A.B. Arabei, V.A. Gorshkov, Z.A. Sidling, in: P. Blaškovič (Ed.), Proc. 6th International Congress Intertribo'93, Vol. 3, Bratislava, 1993, 147–153.
3. N.A. Grinberg, P. Blaškovič, in: M. Kozma (Ed.) Proc. 6th Intern. Congress on Tribology, EUROTRIB'93, Vol. 5, Budapest, 1993, 120–125.
4. N.A. Grinberg, P. Blaškovič, J. Suchánek, in: H. Ronkainen, K. Holmberg (Eds.), COST 516 Tribology Symposium, VTT, Espoo, 1998, 211–218.