2024-03-28T11:32:44Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:470660
2023-11-22T09:49:29Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials rootCollection:wbc:uep:dr rootCollection:wbc:uep