Berčáková, A., Melichar, R., Souček, K. Regularities of failure of migmatized gneiss with metamorphic foliation. Geology, Geophysics and Environment. 2018, 44(1), 150-151. ISSN 2299-8004. E-ISSN 2353-0790. Available: https://doi.org/10.7494/geol