<?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://AATesaurus.cultura.gencat.cat/aat/getty_es">[transporte público por localización o contexto]</topic></authority><related type="narrower"><topic>trenes elevados</topic></related><related type="narrower"><topic>trenes suburbanos</topic></related><related type="narrower"><topic>transporte local</topic></related><related type="narrower"><topic>sistemas de transporte urbano</topic></related><related type="broader"><topic>transporte público</topic></related></mads>