Rudna, Marta, and Jacek Forysiak. “Biogenic Sediments of Peatlands in the Łódź Region As Material for Research on Fossil Cla-Docera”. Acta Geographica Lodziensia 113 (April 3, 2024): 157–173. Accessed July 22, 2024. https://journals.ltn.lodz.pl/Acta-Geographica-Lodziensia/article/view/2320.