@article{1+2023+400+400, url = {https://doi.org/10.3790/hpb.2024.343203}, title = {Karl Ubl: Köln im Frühmittelalter. Die Entstehung einer heiligen Stadt 400 – 1100 (Geschichte der Stadt Köln, 2).}, title = {}, author = {1 1}, pages = {400--400}, volume = {71}, number = {3–4}, journal = {Das Historisch-Politische Buch (HPB)}, doi = {doi:10.3790/hpb.2024.343203}, year = {2023}, lastchecked = {2023-07-01} }