<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Tecnología minera</topic></authority><related type="narrower"><topic>Ingeniería del petróleo</topic></related><related type="narrower"><topic>Minas-Drenaje</topic></related><related type="narrower"><topic>Minas-Entibado</topic></related><related type="narrower"><topic>Minas-Explotación a cielo abierto</topic></related><related type="narrower"><topic>Minas-Relleno</topic></related><related type="narrower"><topic>Minas-Ventilación</topic></related><related type="other"><topic>Metalurgia</topic></related><related type="other"><topic>Voladuras</topic></related><related type="other"><topic>Perforación y sondeo</topic></related><related type="other"><topic>Minas</topic></related><related type="other"><topic>Topografía minera</topic></related><related type="other"><topic>Geología</topic></related><variant type="other"><topic>Técnica minera</topic></variant><variant type="other"><topic>Minas-Explotación</topic></variant><variant type="other"><topic>Ingeniería minera</topic></variant><variant type="other"><topic>Laboreo minero</topic></variant><variant type="other"><topic>Minerales-Extracción</topic></variant> <note xml:lang="es"><![CDATA[ Úsase para obras sobre las técnicas de explotación minera: ]]></note></mads>