2024-03-29T12:46:39Z
https://rcin.org.pl/oai-pmh-repository.xml
oai:rcin.org.pl:217238
2024-03-15T11:27:16Z
rcin.org.pl:partnerCollections:ibotpan rcin.org.pl rcin.org.pl:partnerCollections:ibotpan:libra rcin.org.pl:partnerCollections:ibotpan:libra:books rcin.org.pl:partnerCollections:ibotpan:libra:instedit rcin.org.pl:partnerCollections