J. Twardy, J. Forysiak, and P. Kittel, “Periods of intense human impact in Central Poland recorded in aeolian, slope, fluvial and organic deposits: https://doi.org/10.26485/AGL/2018/107/7”, AGL, vol. 107, pp. 119–136, Dec. 2018, Accessed: Sep. 12, 2026. Available: https://journals.ltn.lodz.pl/Acta-Geographica-Lodziensia/article/view/210