1. V. D. Kuznetsov, Solid State Physics, Vol. 3 [in Russian], Izd. ?Krasnoe znamya,? Moscow (1944).
2. V. A. Kirovoukhov, Deformation of Metal Surface Layers during Cutting [in Russian], Moscow (1945).
3. N. N. Zorev, Mechanical Problems of Metal Cutting [in Russian], Mashgiz, Moscow (1956).
4. N. A. Shaposhnikov, Mechanical Testing of Metals [in Russian], Mashgiz, Moscow (1954).
5. P. S. Sokolov, Zavodskaya laboratoriya, No. 1, 62 (1955).