2024-03-29T01:55:56Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:327483
2023-11-22T10:03:02Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials rootCollection:wbc:uep:ser rootCollection:wbc:uep