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Lua MLA (8ú heag.)Shtele, V. I., agus ︠I︡U. K. Pinigin. Imita︠t︡sionnoe Modelirovanie Razviti︠i︡a Podzemnykh Gornykh Rabot. Izd-vo "Nauka," Sibirskoe otd-nie, 1984.
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