Nikolov, Ivaylo Dimitrov, and Marius Alipiev Dimitrov. “Forest Habitats on the Territory of the National Park „Central Balkan" Bulgaria”. Hacquetia 22, no. 2 (March 19, 2023). Accessed June 30, 2024. https://ojs.zrc-sazu.si/hacquetia/article/view/11474.