TKÁČ, Jan; DOLNÍK, Bystrik; KURÍMSKÝ, Juraj; VILČEK, Miroslav a VARGA, Viktor. Discharge activity detection in acoustic band in strong electric field. University of West Bohemia. Faculty of electrical engineering. Department of electrical power engineering and environmental engineering, 2006. Dostupné také z: http://home.zcu.cz/~tesarova/IP/Proceedings/Proc_2006/index.htm.