author = { Museum Greifswald Friedrich-Sammlung Buchheim, Ruth AND Friedrich, Caspar David },

title = { Caspar David Friedrich Zeichnungen, Aquarelle, Druckgrafiken },

publisher = {},

year = {1991},

address = { Greifswald },

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