<?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">[espacios de acceso y utilidad]</topic></authority><related type="narrower"><topic>esclusas de aire</topic></related><related type="narrower"><topic>galerias de conducción</topic></related><related type="narrower"><topic>canaletas de reparto</topic></related><related type="narrower"><topic>sótanos de poca altura</topic></related><related type="narrower"><topic>núcleos de servicios</topic></related><related type="narrower"><topic>cuartos de limpieza</topic></related><related type="broader"><topic>habitaciones y espacios según función</topic></related></mads>