<?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>2026-05-17T23:39:50Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go506907">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go506907</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T10:19:35Z</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:description>Orain arteko uste asko hankaz gora jarri ditu Xabier Orue-Etxebarria geologo eta ikerlariak: ondorioztatu du gaur egun karobitzat jotzen diren askok burdinaren minerala erreduzitzeko labe gisa funtzionatu zutela Erdi Aroan. Aurkikuntza horrek «iraultza» ekar dezakeela uste du.</dc:description><dc:identifier>https://www.bilketa.eus/ark:/27020/go506907</dc:identifier><dc:creator>Muñagorri, Lander (....-....)</dc:creator><dc:source>IKAS, REV</dc:source><dc:date>2016-08-11</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>26-27 or.</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go506907&amp;mat=article</dc:relation><dc:language>baq</dc:language><dc:subject>Middle Ages</dc:subject><dc:subject>Edad Media</dc:subject><dc:subject>Erdi Aroa</dc:subject><dc:subject>Moyen Âge</dc:subject><dc:subject>Metallurgy</dc:subject><dc:subject>Metalurgia</dc:subject><dc:subject>Metalurgia</dc:subject><dc:subject>Métallurgie</dc:subject><dc:title>Nola bihurtu minerala metal in Berria ; 4077</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>