Frantisek Krepelka. Dr. Jozef Futo. "STATISTICAL EVALUATION OF VIBRATION SIGNAL MEASUREMENTS IN ROTARY ROCK DRILLING." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012, pp. 827 - 834 pp. https://doi.org/10.5593/sgem2012/s03.v1057