1.
Niedźwiedzki R, Surmik D, Chećko A, Salamon MA. A regurgitalite of the Middle Triassic (Muschelkalk) from Upper Silesia (Poland). geol [Internet]. 2021Apr.28 [cited 2024Nov.21];47(1):33-40. Available from: https://journals.agh.edu.pl/geol/article/view/4114