Fedorov, V. E., & Borisov, S. V. (1988). Khalʹkogenidy perekhodnykh tugoplavkikh metallov: Kvaziodnomernye soedineni︠i︡a. "Nauka," Sibirskoe otd-nie.
Lua i Stíl Chicago (17ú heag.)Fedorov, V. E., agus S. V. Borisov. Khalʹkogenidy Perekhodnykh Tugoplavkikh Metallov: Kvaziodnomernye Soedineni︠i︡a. Novosibirsk: "Nauka," Sibirskoe otd-nie, 1988.
Lua MLA (8ú heag.)Fedorov, V. E., agus S. V. Borisov. Khalʹkogenidy Perekhodnykh Tugoplavkikh Metallov: Kvaziodnomernye Soedineni︠i︡a. "Nauka," Sibirskoe otd-nie, 1988.
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