Matuszkiewicz, J. M. (2014) “Białowieża Forest (Ne-Poland) and Valday Np ( Nw-Russia) – Biogeographical Characteristics of Eutrophic Deciduous Forests”, Quaestiones Geographicae, 33(3), pp. 111–122. doi: 10.2478/quageo-2014-0034.