Zaniewski, P. T., A. Bernatowicz, Łukasz Kozub, E. Truszkowska, I. Dembicz, and M. Wierzbicka. “Traditionally Managed Patch of Cladonia-Scots Pine Forest in the Biebrza Valley – Specifity of the Protected Forest Community Shaped by Human Activity”. Ecological Questions, vol. 20, Mar. 2015, pp. 45-52, doi:10.12775/EQ.2014.015.