2024-03-28T18:13:00Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:13758
2022-05-13T11:53:45Z
dLibraDigitalLibrary:partners:wsm_opole dLibraDigitalLibrary:contemporary_collection:periodicals dLibraDigitalLibrary dLibraDigitalLibrary:contemporary_collection dLibraDigitalLibrary:partners