@incollection{, address = {}, author = {Aubanton, Frédéric; Jourd'heuil, Irène}, booktitle = {Cathédrale de Bourges (2017)}, keywords = {}, pages = {15-32}, title={Introduction}, uniqueid = {2459162}, url = {http://opac.regesta-imperii.de/id/2459162}, year = {2017} }