@book{Lübke+2025,
url = {https://doi.org/10.3790/9783886404094.2007.67},
title = {Das mittelalterliche Polen in seinen europäischen Bezügen},
title = {Eine Grauzone im Osten des Kontinents},
author = {Christian Lübke},
publisher = {fibre Verlag},
address = {},
doi = {doi:10.3790/9783886404094.2007.67},
isbn = {9783886404094},
year = {2007},
lastchecked = {2025}
}