author = { Unverfehrt, Gerd Friedrich, Caspar David },

title = { Caspar David Friedrich },

publisher = {Bruckmann},

isbn = {3765419370},

keywords = { Friedrich, Caspar David , Bildband },

year = {1984},

address = { München },

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