1. V.V. Matveev, Cutting of Accurate Threads, Mashinostroene, Moscow, 1968, (in Russian).
2. S.S. Petruhin, B.I. Shtegolev, Research of taps workability when cutting of threads in steel, Manufacturing Technology, N26, Tula, 1972, (in Russian).
3. V.V. Matveev, Research of taps strength, Organization of the processes for metal processing, N63, Moscow, 1964, (in Russian).
4. V.M. Menshakov, V.M. Urlapov, G.P. Sereda, Fluteless Taps, Mashinostroene, Moscow, 1976, (in Russian).
5. V.K. Ivanov, Fluteless Taps—Design, Technology, Exploitation, Dissertation, University of Rousse, Rousse, Bulgaria, 1983, (in Bulgarian).