1. USSR Inventor’s Certificate 841779.
2. USSR Inventor’s Certificate 570445.
3. Makarov, A.D., Optimizatsiya protsessov rezaniya (Optimization of Cutting Processes), Moscow: Mashinostroenie, 1976.
4. Poletika, M.F., Teoriya rezaniya. Chast’ I. Mekhanika protsessa rezaniya: Ucheb. posobie (Theory of Cutting: A Textbook, Vol. 1: Mechanics of Cutting), Tomsk: Izd. TPU, 2001.