References
- GARKUNOV, D.N. 2003. Tribotechnology – construction, manufacturing and operation of machinery. Publishing house MSHA. 2003.
- KANGALOV, P. 1994. Research of the process for obtaining electrochemical lead alloy for restoration sliding bearings from the tractor and agricultural machinery. In ’Agricultural Machinery’ magazine, vol. 6–7, 1994, pp. 34–36.
- MASHKOV, Y.K. et al. 2000. Friction and modifcation of materials in tribosystems. Moscow: Science, 2000.
- NIKOLOV, M.G. – TONCHEV, G.P – TODOROV, E. 2003. Methodology for studying the tribological characteristics of restorative vibroarc weld overlaid coating in shielding gases on cast-iron parts from the tractor and agricultural machinery. In Scientifc Theses of ’Angel
- Kanchev’ University of Ruse, vol. 40, ser. 4.1, 2003, pp. 208–212.
- TONCHEV, G.P – KANGALOV, P. 2003. Testing the wearability of working surfaces of parts. Ruse: ’Angel Kanchev’ University of Ruse, 2003.
- TONCHEV, G.P – STANEV, L. 1983. Methodological issues of studies and control of wearability of engineering materials and parts. In Scientifc Theses of ’Angel Kanchev’ University of Ruse, vol. 25, ser. 2, 1983.
- TONCHEV, G.P. – STANEV, S. 1979. Study of the distribution of parts of tractors YMZ-6L and MTZ-80 according to structural characteristics. In Scientifc Theses of Higher Institute of Mechanical Engineering, Mechanisation and Electrifcation of Agriculture, vol. 21, ser. 6. Ruse: HIMEMEA, 1979.