Surmik, Dawid, Mariusz A. Salamon, Agnieszka Chećko, and Karolina Kędroń. 2020. “Ophiuroids from the Middle Triassic (Muschelkalk) of Sadowa Góra, Jaworzno (southern Poland)”. Geology, Geophysics and Environment 46 (2):175. https://doi.org/10.7494/geol.2020.46.2.175.