Reference
Hristo Pedashenko, Iva Apostolova, Steffen Boch, Anna Ganeva, Monika Janisova [Janišová], Desislava Sopotlieva, Salza Todorova, Aslan Ünal, Kiril Vassilev, Nikolay Velev, Jürgen Dengler (2013): Dry grasslands of NW Bulgarian mountains: first insights into diversity, ecology and syntaxonomy – Tuexenia - Mitteilungen der Floristisch-soziologischen Arbeitsgemeinschaft – NS_33: 309 - 346.