<?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>2026-05-17T20:49:17Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go147174">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go147174</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T09:43:08Z</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/go147174</dc:identifier><dc:contributor>Roger, Philippe (....-....)</dc:contributor><dc:creator>Lenguin, Michel (....-....)</dc:creator><dc:source>MUBA, REV</dc:source><dc:date>1981-10-01</dc:date><dc:type xml:lang="eng">text</dc:type><dc:type xml:lang="fre">publication en série imprimée</dc:type><dc:type xml:lang="eng">printed serial</dc:type><dc:format>P. 31-52 : ill.</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go147174&amp;mat=article</dc:relation><dc:language>fre</dc:language><dc:subject>Géologie</dc:subject><dc:subject>Pays Basque</dc:subject><dc:title>Grands traits de la géologie du Pays Basque in Principe de Viana . Suplemento de ciencias ; n°1</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>