2024-03-29T02:44:42Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:183871
2020-09-30T09:29:21Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:RegionalMaterials rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials