[1]
Jurkowska, A.A. and Świerczewska-Gładysz, E. 2022. Opoka – a mysterious carbonate-siliceous rock: an overview of general concepts. Geology, Geophysics and Environment. 48, 3 (Nov. 2022), 257–278. DOI:https://doi.org/10.7494/geol.2022.48.3.257.