2024-03-28T20:31:17Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:41347
2011-04-15T15:17:42Z
KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Astronomy KujawskoPomorskaDigitalLibrary:RegionalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania:Books