Reference
Hristo Pedashenko, Iva Apostolova, Jens Oldeland (2015): The effects of livestock numbers and land cover transfor-mation processes on rangelands in the Balkan Mountains between 1947 and 2012 – Tuexenia - Mitteilungen der Floristisch-soziologischen Arbeitsgemeinschaft – NS_35: 417 - 432.