author = { Günter, Roland AND Günter, Marianne },

title = { Köln [Reiseführer] },

edition = { 2. Aufl. } ,

publisher = {Polyglott},

keywords = { Köln },

year = {1969},

booktitle = {Polyglott-Reiseführer ; 610},

address = { Köln },

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