author = { Frieling, Heinrich },

title = { Was fliegt denn da? Das Taschenbuch: Vögel Mitteleuropas },

edition = { 127. - 146. Tausend } ,

publisher = {Franckh},

keywords = { Europa , Vögel , Wirbeltiere , Zoologie },

year = {1955},

booktitle = {Kosmos-Naturführer},

address = { Stuttgart },

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