1. Brzhozovskii, B.M., Martynov, V.V., and Zinina, E.P., Uprochnenie rezhushchego instrumenta vozdeistviem nizkotemperaturnoi plazmy kombinirovannogo razryada (Strengthening of Cutting Tools by Means of Low-Temperature Discharge Plasma), Saratov: Izd. Sarat. Gos. Tekhn. Univ., 2009.
2. Likes, J. and Laga, J., Fundamental Statistical Tables, Prague: SNTL, 1978.
3. Solonin, I.S., Matematicheskaya statistika v tekhnologii mashinostroeniya (Statistics in Manufacturing Technology), Moscow: Mashinostroenie, 1972.
4. Postnov, V.V., Khadiullin, S.Kh., and Karimov, I.G., Influence of Microhardness on Tool Wear, Stanki Instrum., 2007, no. 10, pp. 34–37.
5. Mokritskii, B.Ya. and Kravchenko, K.V., Assessing the Strength of Tool Materials, Problemy i perpsektivy obrabotki materialov i zagotovitel’nykh proizvoditel’nykh proizvodstv: Materialy Mezhdunar. nauch.-tekhn. konf. mezhdunar, simpoziuma Obrazovanie, nauka i proizvodstvo: problemy, dostizheniya i perspektivy (Proceedings of an International Conference and Symposium on Education, Science and Production: Problems, Accomplishments, and Prospects, Vol. 2: Problems and Prospects in Machining and the Production of Blanks), Komsomolsk-on-Amur: GOU VPO KnaGTU, 2010, pp. 31–41.