<?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">high-pressure mercury lamps</topic></authority><related type="broader"><topic>mercury lamps</topic></related><variant type="other"><topic>high pressure mercury lamps</topic></variant><variant type="other"><topic>high-pressure mercury lamp</topic></variant><variant type="other"><topic>high-pressure mercury vapor lamps</topic></variant><variant type="other"><topic>lamps, high-pressure mercury</topic></variant><variant type="other"><topic>lamps, high-pressure mercury vapor</topic></variant><variant type="other"><topic>mercury lamps, high-pressure</topic></variant><variant type="other"><topic>mercury vapor lamps, high-pressure</topic></variant><variant type="other"><topic>vapor lamps, high-pressure mercury</topic></variant> <note xml:lang="en"><![CDATA[ Mercury lamps which come in two types: those that use just mercury, and those that use a mixture of mercury and metal halides. ]]></note></mads>