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Literature Cited
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Institute of Applied Mineralogy and Metallurgy, Academy of Sciences of the Ukrainian SSR, Donetsk. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Polenznykh Iskopaemykh, No. 5, pp. 24–30, September–October, 1976.
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Khapilova, N.S. Sudden extrusion of an inhomogeneous coal seam: Basic relations. Soviet Mining Science 12, 479–484 (1976). https://doi.org/10.1007/BF02497412
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DOI: https://doi.org/10.1007/BF02497412