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2. V. R. Nazarenko, V. F. Yankovskii, M. A. Dolginskaya, and P. M. Yakovenko, “Damask steel: myths and reality,” Metalloved. Term. Obrab. Met., No. 6, 32–37 (1992).
3. E. P. Unksov and D. I. Berezhkovskii, “Hot pressure treatment of high-strength cast iron with globular graphite,” in: Fabrication of Castings from High-Strength Iron [in Russian], Izd. AN SSSR, Moscow (1955), pp. 139–149.
4. USSR Inventor's Certificate No. 1799916 [in Russian] (1992).
5. E. V. Zakharchenko, Yu. I. Levchenko, V. T. Gorenko, and P. A. Varenik, Iron Castings with Globular Graphite [in Russian], Naukova Dumka, Kiev (1986).