2024-03-29T15:57:54Z
https://www.wbc.poznan.pl/oai-pmh-repository.xml
oai:www.wbc.poznan.pl:366241
2015-10-24T14:33:18Z
rootCollection rootCollection:wbc rootCollection:wbc:DigitalLibraryOfWielkopolska rootCollection:wbc:DigitalLibraryOfWielkopolska:EducationalMaterials