<?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>2026-05-17T21:10:08Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go822208">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go822208</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T13:59:01Z</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/go822208</dc:identifier><dc:contributor>Zabala, Aingeru (....-....)</dc:contributor><dc:contributor>[et al.] (....-....)</dc:contributor><dc:creator>Uribeetxebarria, Tomas (....-....)</dc:creator><dc:source>MUBA, MG 822</dc:source><dc:date>1990</dc:date><dc:description>Contient aussi un petit cahier - Catalogue</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:9788450598766</dc:identifier><dc:format>1 vol. (157 p.) ; ill. en noir et blanc ; photogr. en couleur ; 31 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go822208&amp;mat=book</dc:relation><dc:identifier>urn:ISBN:978-84-505-9876-6</dc:identifier><dc:language>baq</dc:language><dc:language>spa</dc:language><dc:publisher>Bizkaiko Foru Aldundia = Diputación Foral de Bizkaia (Bilbo-Bilbao)</dc:publisher><dc:subject>Ingénierie</dc:subject><dc:subject>Pays Basque</dc:subject><dc:subject>18e siècle</dc:subject><dc:title>Pedro Bernardo Villarreal de Berriz : Euskaldunon ekarpena XVIII.eko injeniaritzari</dc:title><dc:title>La aportación vasca a la ingeniería del XVIII</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>