Dariusz Krzyszkowski, Zofia Balwierz, and Wladyslaw Pyszyriski. “Aspects of Weichselian Middle Pleniglacial Stratigraphy and Vegetation in Central Poland”. Netherlands Journal of Geosciences 72 (January 1, 1993): 131-142. Accessed July 2, 2026. https://njgjournal.nl/index.php/njg/article/view/12504.