Bilek, L., J. Remes, and D. Zahradnik. “Managed Vs. Unmanaged. Structure of Beech Forest Stands (Fagus Sylvatica L.) After 50 Years of Development, Central Bohemia”. Forest Systems, Vol. 20, no. 1, Apr. 2011, pp. 122-38, doi:10.5424/fs/2011201-10243.