CZAPOWSKI, Grzegorz, and Krzysztof BUKOWSKI. “Salt Resources in Poland at the Beginning of the 21st Century”. Geology, Geophysics and Environment 38, no. 2 (April 1, 2012): 189. Accessed November 21, 2024. https://ggae.agh.edu.pl/index.php/geol/article/view/183.