<?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">estructuras telecomunicacionales</topic></authority><related type="narrower"><topic>edificios de comunicaciones</topic></related><related type="narrower"><topic>cabinas telefónicas</topic></related><related type="narrower"><topic>torres de telecomunicaciones</topic></related><related type="narrower"><topic>sound mirrors</topic></related><related type="narrower"><topic>globos horarios</topic></related><related type="other"><topic>comunicación</topic></related><related type="other"><topic>comunicar</topic></related><related type="broader"><topic>construcciones individuales por función</topic></related></mads>