<?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">[measuring devices for height]</topic></authority><related type="narrower"><topic>altimeters</topic></related><related type="narrower"><topic>cathetometers</topic></related><related type="narrower"><topic>ceilometers</topic></related><related type="narrower"><topic>Profilometers (TM)</topic></related><related type="narrower"><topic>ionosondes</topic></related><related type="narrower"><topic>leveling rods</topic></related><related type="narrower"><topic>tide gauges</topic></related><related type="narrower"><topic>story rods</topic></related><related type="narrower"><topic>dumpy levels</topic></related><related type="broader"><topic>vertical distance measuring devices</topic></related></mads>