2024-03-28T18:07:11Z
https://kpbc.umk.pl/oai-pmh-repository.xml
oai:kpbc.umk.pl:39481
2011-04-17T19:12:04Z
KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania KujawskoPomorskaDigitalLibrary:EducationalMaterials KujawskoPomorskaDigitalLibrary:EducationalMaterials:Astronomy KujawskoPomorskaDigitalLibrary:RegionalMaterials KujawskoPomorskaDigitalLibrary KujawskoPomorskaDigitalLibrary:RegionalMaterials:Kuyavia-Pomerania:Books