2026-05-10T19:24:50Zhttp://hypatia.teiath.gr/oai/requestoai_dchttp://www.openarchives.org/OAI/2.0/oai_dc.xsdhttp://www.openarchives.org/OAI/2.0/oai_dc/healhttp://orpheus.cn.ntua.gr/schemas/heal/heal_v1.3.8.xsdhttp://seab.lib.ntua.gr/schemas/heal/qdchttp://dublincore.org/schemas/xmls/qdc/2006/01/06/dcterms.xsdhttp://purl.org/dc/terms/rdfhttp://www.openarchives.org/OAI/2.0/rdf.xsdhttp://www.openarchives.org/OAI/2.0/rdf/orehttp://tweety.lanl.gov/public/schemas/2008-06/atom-tron.schhttp://www.w3.org/2005/Atomesehttp://www.europeana.eu/schemas/ese/ESE-V3.3.xsdhttp://www.europeana.eu/schemas/ese/metshttp://www.loc.gov/standards/mets/mets.xsdhttp://www.loc.gov/METS/