2024-03-28T18:50:08Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:44647
2010-10-19T10:24:47Z
KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Astronomy KujawskoPomorskaDigitalLibrary:CulturalHeritage KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:CulturalHeritage:OldPrints