Zapletal, P., Koudelková, J., Zubíček, V., Kráľ, T. and Mokrošová, A. (2017) “New method of gas drainage as a solution of danger phenomena in underground coal mines”, Rudarsko-geološko-naftni zbornik, 33(1), pp. 7–13. doi: 10.17794/rgn.2018.1.2.