Mcintosh , R.W. and Encs, B. 2016. Rock mass rating in Bükk Mts., N Hungary based on petrophysical parameters and parting conditions. Acta Geographica Debrecina Landscape & Environment series. 10, 3-4 (Sep. 2016), 161–168. DOI:https://doi.org/10.21120/LE/10/3-4/9.