Lavnyy, V.V., et al. “Tree Species Composition and Height Structure of Undergrowth in Fresh Hornbeam-Oak-Pine Forest on Relatively Rich Soils of the Ukrainian Roztochia ”. Forestry, Forest, Paper and Woodworking Industry, vol. 47, Dec. 2021, pp. 92-108, https://doi.org/10.36930/42214704.