@inbook {2017, title = {Der Papst unterwegs in Lotharingie}, booktitle = {Lotharingien und das Papsttum im Fr{\"u}h- und Hochmittelalter. Wechselwirkungen im Grenzraum zwischen Germania und Gallia}, year = {2017}, pages = {55-67}, publisher = {De Gruyter}, organization = {De Gruyter}, address = {Berlin}, isbn = {978-3-11-055253-9}, author = {Schieffer, Rudolf}, editor = {Herbers, Klaus and M{\"u}ller, Harald} }