Klęsk, J., Błachowski, A., Diduszko, R., Kruszewski, Łukasz, & Widera, M. (2022). Iron-bearing phases affecting the colour of upper Neogene clayey sediments from Dymaczewo Stare, west-central Poland. Geologos, 28(2), 129–139. https://doi.org/10.2478/logos-2022-0010