1. Litvin, F.L.: Theory of Gears, 2nd edn., revised and supplemented. Moscow, Nauka, Main Editorial Office for Physical and Mathematical Literature (1968)
2. Sheveleva, G.I.: Theory of Generation and Contact of Moving Bodies. Stankin, Moscow (1999)
3. Lopato, G.A., Kabatov, N.F., Segal, M.G.: Bevel and Hypoid Gears with Circular Teeth. Reference manual. Revised edition 2, revised and supplemented. Moscow, Mashinostroenie (1977)
4. Guliaev, K.I.: Synthesis of Approximate Meshing by the Points of Recoupling. Gears and Worm Gears. Mashinostroenie, Leningrad (1974)
5. Cherny, B.A.: Optimal Synthesis of Approximate Gearing of Conical Wheels. PhD in Engineering Thesis (1974)