Lyashenko, V., O. Khomenko, T. Chekushina, and F. Topolnij. “Justification of Safe Underground Development of Mountain Deposits of Complex Structure by Geophysical Methods”. Technology Audit and Production Reserves, vol. 5, no. 3(55), Oct. 2020, pp. 9-18, doi:10.15587/2706-5448.2020.215737.