2024-03-28T12:53:14Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:12817
2020-12-22T14:58:34Z
dLibraDigitalLibrary dLibraDigitalLibrary:contemporary_collection dLibraDigitalLibrary:regional_collection:books dLibraDigitalLibrary:regional_collection dLibraDigitalLibrary:contemporary_collection:books