MIKLÚŠOVÁ, V., Ľudmila UŠALOVÁ, L. IVANIČOVÁ, and F. KREPELKA. “Acoustic Signal – New Feature in Monitoring of Rock Disintegration Process”. Contributions to Geophysics and Geodesy, Vol. 36, May 2021, pp. 125-33, https://journal.geo.sav.sk/cgg/article/view/353.