<?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/">Petróleo-Productos</topic></authority><related type="other"><topic>Gasolina</topic></related><related type="other"><topic>Combustibles</topic></related><related type="other"><topic>Fuel oil</topic></related><related type="other"><topic>Butano</topic></related><related type="broader"><topic>Hidrocarburos</topic></related><variant type="other"><topic>Petróleo-Derivados</topic></variant> <note xml:lang="es"><![CDATA[ Pueden usarse también los nombres de los distintos productos. ]]></note></mads>