author = { Bernhardi, Wilhelm },

title = { Konrad III. },

publisher = {Duncker & Humblot},

keywords = { Konrad , Deutschland , Geschichte 1138-1152 },

year = {18XX-},

booktitle = {Jahrbücher der deutschen Geschichte},

address = { Leipzig },

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