<?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">magnetism</topic></authority><related type="narrower"><topic>geomagnetism</topic></related><related type="narrower"><topic>remanent magnetism</topic></related><related type="narrower"><topic>electromagnetism</topic></related><related type="other"><topic>magnets</topic></related><related type="broader"><topic>magnetism and related concepts</topic></related><variant type="other"><topic>magnetic</topic></variant><variant type="other"><topic>magnetical</topic></variant> <note xml:lang="en"><![CDATA[ Class of physical phenomena associated with magnets and the fields of force produced by moving electric currents. ]]></note></mads>