Ratyńska, Halina, Marian Grodzki, Barbara Waldon, and Ewa Wachowiak. “Introduction of Alien Tree Species and Its Influence on Floristical Composition and Vegetation Structure of Acidophilous Oak Forests: The Experimental Plots in the Zielonka Forest”. Acta Universitatis Lodziensis. Folia Biologica et Oecologica 7 (December 12, 2011): 177–190. Accessed May 10, 2024. https://czasopisma.uni.lodz.pl/biologica/article/view/7459.