Babczyńska-Sendek, Beata, Agnieszka Błońska, and Anna Kołtuniak. “Excavations of the Twardowice Plateau (Silesian Upland) As Refuges for Xerothermic Plant Species”. Biodiversity: Research and Conservation 28 (February 26, 2013): 29–36. Accessed August 17, 2024. https://pressto.amu.edu.pl/index.php/biorc/article/view/v10119-012-0027-0.