<?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">Geiger counters</topic></authority><related type="broader"><topic>nuclear energy measuring devices</topic></related><variant type="other"><topic>Geiger counter</topic></variant><variant type="other"><topic>Geiger-Müller counters</topic></variant><variant type="other"><topic>counter, Geiger</topic></variant><variant type="other"><topic>counters, Geiger</topic></variant><variant type="other"><topic>counters, Geiger-Müller</topic></variant><variant type="other"><topic>geiger counter</topic></variant> <note xml:lang="en"><![CDATA[ Radiation counters that use Geiger-Müller tubes in the appropriate circuitry to detect and measure ionizing particles. ]]></note></mads>