2024-03-29T08:21:54Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:13548
2019-09-03T12:46:08Z
dLibraDigitalLibrary:cultural_heritage:cartography dLibraDigitalLibrary:cultural_heritage dLibraDigitalLibrary:kornas_collection dLibraDigitalLibrary