author = { Orth, Stephan AND Theis, Gulliver National Geographic Deutschland },

title = { Kaukasus eine Reise an den wilden Rand Europas },

publisher = {National Geographic},

isbn = {9783866906563},

keywords = { Kaukasus , Bildband },

year = {2019},

address = { München },

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