Berglund, B.E. and Miotk-Szpiganowicz, G. 1992. Human Impact on the Vegetation of Bory Tucholskie on the Basis of Palynological Investigations. Acta Universitatis Lodziensis. Folia Archaeologica. 16 (Jan. 1992), 267–273. DOI:https://doi.org/10.18778/0208-6034.16.29.