@book
{TN_libero_mab2,
author = {
},
title = {
Kyustendil - Nevestino - Zemen
die Natur, die Traditionen und die jahrtausend alte Geschichte
},
publisher = {OPRD},
year = {[2014?]},
booktitle = {Strategiya Danteletika},
address = {
[Bulgarien]
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}