Karakiev, T., & Tzonev, R. (2015). Saxifrago ferdinandi-coburgi-Seslerietum actarovii – a new association from the subalpine belt of the Slavianka (Orvilos) Mts. (Bulgaria ). Hacquetia, 10(1). Retrieved from https://ojs.zrc-sazu.si/hacquetia/article/view/2887