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Tarakanov , S. N. (1969) "Physical Phenomena at Destruction of Hard Rocks by Blunting Wedge Cutter, Complete Formula of Penetration Rate and Its Application", Journal of Mining Institute, 57(2), pp. 27-42. Available at: https://pmi.spmi.ru/pmi/article/view/12189 (Accessed: 5 December 2025).