<?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">cupronickel</topic></authority><related type="broader"><topic>copper-nickel alloy</topic></related><variant type="other"><topic>cupro-nickel</topic></variant> <note xml:lang="en"><![CDATA[ Alloy of copper, nickel, iron, and manganese in which copper is dominant. Cupronickel is the metal of choice for contemporary coins, and is also used for condenser plates and heat exchangers. ]]></note></mads>