Oikonomakis, N. G., and P. Ganatsas. “Secondary Forest Succession in Silver Birch (Betula Pendula Roth) and Scots Pine (Pinus Sylvestris L.) Southern Limits in Europe, in a Site of Natura 2000 Network – an Ecogeographical Approach”. Forest Systems, Vol. 29, no. 2, Nov. 2020, p. e010, doi:10.5424/fs/2020292-15680.