2024-03-29T07:31:53Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:14451
2020-07-23T09:08:33Z
dLibraDigitalLibrary:cultural_heritage:kons2017 dLibraDigitalLibrary:cultural_heritage:cartography dLibraDigitalLibrary:cultural_heritage dLibraDigitalLibrary