[1]
R. Niedźwiedzki, D. Surmik, A. Chećko, and M. A. Salamon, “A regurgitalite of the Middle Triassic (Muschelkalk) from Upper Silesia (Poland)”,
geol
, vol. 47, no. 1, pp. 33–40, Apr. 2021, doi:
10.7494/geol.2021.47.1.33
.