2024-03-28T12:16:35Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:18001
2022-03-03T11:00:22Z
dLibraDigitalLibrary:partners:pbw-opole dLibraDigitalLibrary dLibraDigitalLibrary:contemporary_collection dLibraDigitalLibrary:Opole dLibraDigitalLibrary:partners dLibraDigitalLibrary:contemporary_collection:books