2026-05-01T21:15:06Zhttp://ddd.uab.cat/oai2d marcxmlhttp://www.loc.gov/standards/marcxml/schema/MARC21slim.xsdhttp://www.loc.gov/MARC21/slimedmhttps://www.europeana.eu/schemas/edm/EDM.xsdhttp://www.europeana.eu/schemas/edm/oai_openairehttps://www.openaire.eu/schema/repo-lit/4.0/openaire.xsdhttps://www.openaire.eu/schema/repo-lit/4.0/openaire.xsdoai_dchttp://www.openarchives.org/OAI/1.1/dc.xsdhttp://www.openarchives.org/OAI/2.0/oai_dc/