author = { Todorov, Nikolaj T. AND Dinev, Ljubomir AND Melniški, Ljuben },

title = { Bulgarien historisch-geographischer Überblick },

publisher = {Agentur Sofia-Press},

keywords = { Bulgarien , Geschichte },

year = {1969},

address = { Sofia },

url = { http://slubdd.de/katalog?TN_libero_mab2 }