<?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_ca">[estructures segons la propietat]</topic></authority><related type="narrower"><topic>estructura estàticament determinada</topic></related><related type="narrower"><topic>estructura estàticament indeterminada</topic></related><related type="narrower"><topic>estructura rígida</topic></related><related type="narrower"><topic>estructura de tensió</topic></related><related type="narrower"><topic>estructura de gran envergadura</topic></related><related type="narrower"><topic>estructura no rígida</topic></related><related type="broader"><topic>estructura </topic></related></mads>