2024-03-28T17:52:50Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:135341
2023-11-22T09:10:53Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials rootCollection:wbc:uep:dr rootCollection:wbc:uep