1. N. L. Klyachkin, Design of Group Threaded Joints [in Russian], Privolzh. Kn. Izd., Saratov (1972).
2. I. A. Birger, “Elastic contact of rods,” Rasch. Prochn., Issue 14, 127–136 (1969).
3. I. A. Birger, “Contact problems of the theory of rods, plates, and hulls,” Tr. All-Union conference on the theory of hulls and plates, Sudostroenie, Leningrad (1975), pp. 23–25.
4. G. B. Iosilevich and E. V. Sunozova, “Calculation for uniformity in tightening group joints,” Vestn. Mashinostr., No. 4, 22–26 (1983).
5. G. B. Iosilevich, G. B. Stroganov, and Yu. V. Sharlovskii, Tightening and Locking Threaded Joints [in Russian], Mashinostroenie, Moscow (1985).