Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 17 references without a DOI — listed, not checked
no DOI — not checkedBorisov, D.P., Koval, N.N., and Shchanin, P.M., Izv. Vyssh. Uchebn. Zaved., Fiz., 1994, no. 3, pp. 115–120.
no DOI — not checkedRF Patent no. 2116707, 27.07. 1998.
no DOI — not checkedShchanin, P.M., Koval, N.N., Goncharenko, I.M., and Grigor’ev, S.V., Fiz. Khim. Obrab. Mater., 2001, no. 3, pp. 16–19.
no DOI — not checkedShugurov, V.V., Proc. 9th Int. Conf. on Modification of Materials with Particle Beams and Plasma Flows, Tomsk, Russia, September 21–26, 2008, pp. 27–30.
no DOI — not checkedVintizenko, L.G., Grigoriev, S.V., Koval, N.N., et al., Izv. Vyssh. Uchebn. Zaved., Fiz., 2001, no. 9, pp. 28–43.
no DOI — not checkedAkhmadeev, Yu.H., Grigoriev, S.V., Koval, N.N., and Schanin, P.M., Laser Part. Beams, 2003, no. 21, pp. 249–254.
no DOI — not checkedAksenov, I.I., Belous, V.A., Padalka, V.G., and Khoroshikh, V.M., Fiz. Plazmy, 1978, no. 4, pp. 758–761.
no DOI — not checkedGB Patent no. 1342560, 03.01. 1974.
no DOI — not checkedLakhtin, Yu.M. and Kogan, Ya.D., Struktura i prochnost’ azotirovannykh splavov (Structure and Strength of Nitrided Alloys), Moscow: Metallurgiya, 1982.
no DOI — not checkedArzamasov, B.N., Bratukhin, A.G., Eliseev, Yu.S., and Panaioti, T.A., Ionnaya khimiko-termicheskaya obrabotka splavov (Chemical Thermal Ion Treatment of Alloys), Moscow: MGTU im. N.E. Baumana, 1999.
no DOI — not checkedPanaioti, T.A., Fiz. Khim. Obrab. Mater., 2003, no. 4, pp. 70–78.
no DOI — not checkedBerlin, E.V., Koval, N.N., and Seidman, L.A., Plazmennaya khimiko-termicheskaya obrabotki poverkhnosti stal’nykh detalei (Plasma Chemical Thermal Treatment of the Surface of Steel Items), Moscow: Tekhnosfera, 2012.
no DOI — not checkedSchanin, P.M., Kozyrev, A.V., Koval, N.N., Goncharenko, I.M., Grigoriev, S.V., and Tolkachev, V.S., J. Tech. Phys., 2000, vol. 41, no. 2, special issue, pp. 177–184.
no DOI — not checkedSchanin, P.M., Kozyrev, A.V., Koval, N.N., Goncharenko, I.M., Langner, J., and Grigoriev, S.V., Proc. 1st Int. Congress on Radiation Physics, High Current Electronics and Modification of Materials, Tomsk, Russia, 2000, vol. 3, pp. 438–441.
no DOI — not checkedLotkov, A.I., Psakh’e, S.G., Knyazeva, A.G., et al., Nanoinzheneriya poverkhnosti. Formirovanie neravnovesnykh sostoyanii v poverkhnostnykh sloyakh materialov metodami elektronno-ionno-plazmennykh tekhnologii (Surface Nanoengineering. Formation of Nonequilibrium States in Surface Layers of Materials by Electron Plasma Technology Methods), Novosibirsk: Sib. Otd. Ross. Akad. Nauk, 2008.
no DOI — not checkedDenisov, V.V., Koval, N.N., Lobach, M.I., Mikov, A.V., Shugurov, V.V., and Yakovlev V.V., Proc. 9th Int. Conf. on Modification of Materials with Particle Beams and Plasma Flows, Tomsk, Russia, September 21–26, 2008, pp. 31–34.
no DOI — not checkedLopatin, I.V., Akhmadeev, Yu.Kh., Denisov, V.V., Koval, N.N., Mikov, A.V., Yakovlev, V.V., and Seredinin, A., Izv. Vyssh. Uchebn. Zaved., Fiz., 2007, no. 9, annex, pp. 98–101.
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