2024-03-29T06:06:01Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:4055
2020-12-23T12:13:47Z
dLibraDigitalLibrary dLibraDigitalLibrary:contemporary_collection dLibraDigitalLibrary:Opole dLibraDigitalLibrary:regional_collection dLibraDigitalLibrary:regional_collection:Acts dLibraDigitalLibrary:contemporary_collection:Acts