author = { Ungewitter, Georg Gottlob },

title = { Lehrbuch der gothischen Constructionen },

publisher = {Weigel Nachf.},

publisher = {: Tauchnitz},

keywords = { Gotik , Architektur , Geschichte 1250-1500 },

year = {19XX-},

year = {, 19XX-},

address = { Leipzig , ; Leipzig },

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