Baran, Agnieszka, Monika Mierzwa-Hersztek, Krzysztof Gondek, Magdalena Szara, and Marek Tarnawski. “The Content and Composition of Organic Matter in Bottom Sediments of the Rybnik Reservoir - Preliminary Studies”. Geology, Geophysics and Environment 44, no. 3 (August 7, 2018): 309. Accessed November 21, 2024. https://ggae.agh.edu.pl/index.php/geol/article/view/2735.