@book{ 0-1094374571, title = {Der Kirchenbau des Mittelalters}, series = {Die romanische und die gotische Baukunst}, series = {Handbuch der Architektur}, author = {Hasak, Max}, address = {Leipzig}, publisher = {Gebhardt}, year = {1913}, edition = {2. Aufl.}, language = {German}, url = {https://katalog.gfzk.de/Record/0-1094374571} }