<?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/">Comercio exterior</topic></authority><related type="narrower"><topic>Exportación</topic></related><related type="narrower"><topic>Importación</topic></related><related type="narrower"><topic>Cambio extranjero</topic></related><related type="narrower"><topic>Sistemas monetarios internacionales</topic></related><related type="other"><topic>Economía internacional</topic></related><related type="other"><topic>Multinacionales</topic></related><related type="other"><topic>Mercantilismo</topic></related><related type="other"><topic>Aduanas</topic></related><related type="other"><topic>Rutas comerciales</topic></related><related type="other"><topic>Cambio exterior</topic></related><related type="other"><topic>Empresas extranjeras</topic></related><related type="broader"><topic>Comercio</topic></related></mads>