Niedźwiedzki, R., Surmik, D., Chećko, A., & Salamon, M. A. (2021). A regurgitalite of the Middle Triassic (Muschelkalk) from Upper Silesia (Poland).
Geology, Geophysics and Environment
,
47
(1), 33-40.
https://doi.org/10.7494/geol.2021.47.1.33