Treml, Václav, Vlasta Jankovská, and Libor Petr. “Holocene Timberline Fluctuations in the Mid-Mountains of Central Europe”. Fennia - International Journal of Geography 184, no. 2 (February 1, 2006): 107–119. Accessed April 29, 2024. https://fennia.journal.fi/article/view/3722.