2024-03-29T13:07:27Z
https://obc.opole.pl/oai-pmh-repository.xml
oai:obc.opole.pl:7085
2020-12-22T15:20:45Z
dLibraDigitalLibrary dLibraDigitalLibrary:contemporary_collection dLibraDigitalLibrary:regional_collection:books dLibraDigitalLibrary:regional_collection dLibraDigitalLibrary:contemporary_collection:books