2024-03-29T03:38:50Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:373039
2023-11-22T09:56:38Z
rootCollection:wbc:uep:pub rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials rootCollection:wbc:uep