2026-04-15T12:31:07Z https://rcin.org.pl/iae/oai-pmh-repository.xml

oai:rcin.org.pl:82513 2021-05-13T21:42:52Z rcin.org.pl rcin.org.pl:partnerCollections:iaie:institutearchive rcin.org.pl:archives rcin.org.pl:partnerCollections:iaie:institutearchive:spusawicki rcin.org.pl:partnerCollections:iaie rcin.org.pl:partnerCollections