2024-03-28T12:03:53Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:41251
2011-01-16T13:42:02Z
KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Astronomy KujawskoPomorskaDigitalLibrary:RegionalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania:Books