<?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">nickel</topic></authority><related type="broader"><topic>nickel and nickel alloy</topic></related><related type="broader"><topic>elements</topic></related><variant type="other"><topic>Ni</topic></variant><variant type="other"><topic>nickle</topic></variant> <note xml:lang="en"><![CDATA[ Pure metallic element having symbol Ni and atomic number 28; a silvery white metal with a yellowish cast, resistant to corrosion and to most acids except nitric. Use also for this metal as processed and formed, usually in combination with other substances, to make various objects and materials.  ]]></note></mads>