<?xml version='1.0' encoding='utf-8'?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-17T23:49:15Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go137368">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go137368</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T09:35:36Z</datestamp></header><metadata> <oai_dc:dc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:identifier>https://www.bilketa.eus/ark:/27020/go137368</dc:identifier><dc:creator>Leizaola, Jesús María de (1896-....)</dc:creator><dc:source>BUPPA, E 27720</dc:source><dc:date>197?-1977</dc:date><dc:description>Comprend : 1a parte, Siglo XIII ; 2a parte, Siglo XIV ; 3a parte, Siglo XV</dc:description><dc:type xml:lang="eng">text</dc:type><dc:type xml:lang="fre">monographie imprimée</dc:type><dc:type xml:lang="eng">printed monograph</dc:type><dc:identifier>urn:EAN:9788470862137</dc:identifier><dc:format>3 vol ; ill ; 23 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go137368&amp;mat=book</dc:relation><dc:identifier>urn:ISBN:84-7086-213-8</dc:identifier><dc:language>spa</dc:language><dc:publisher>Sendoa (San Sebastian)</dc:publisher><dc:subject>Marine marchande - Espagne - Pays basque (Espagne) - Histoire - Moyen âge</dc:subject><dc:title>La marina civil vasca en los siglos XIII, XIV y XV</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>