Skurzyński, Jacek, et al. “The Stratigraphic and Spatial Aspects of the Differentiation of the Chemical Composition of the Late Pleistocene Loess-Palaeosol Sequences in Poland – a Case Study of the Tyszowce and Biały Kościół Profiles: Https: doi.Org 10.26485 AGL 2017 106 7”. Acta Geographica Lodziensia, vol. 106, Dec. 2018, pp. 87-103, https://czasopisma.ltn.lodz.pl/Acta-Geographica-Lodziensia/article/view/79.