@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} }