2024-03-28T10:35:42Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:2364
2022-08-17T12:29:31Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials