Lisek, Mateusz, and Joanna Petera-Zganiacz. 2018. “Grain Size Composition of the Vistulian Alluvium in the Warta River Valley, Koło Basin: Https: doi.Org 10.26485 AGL 2017 106 17”. Acta Geographica Lodziensia 106 (December):225-41. https://journals.ltn.lodz.pl/Acta-Geographica-Lodziensia/article/view/89.