<?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_en">structural systems</topic></authority><related type="narrower"><topic>cable structures</topic></related><related type="narrower"><topic>plate structures</topic></related><related type="narrower"><topic>structural frames</topic></related><related type="narrower"><topic>lamella roofs</topic></related><related type="broader"><topic>structural elements</topic></related><variant type="other"><topic>structural system</topic></variant><variant type="other"><topic>systems, structural</topic></variant> <note xml:lang="en"><![CDATA[ Architectural elements that consist of entire systems to support structures.  ]]></note></mads>