<?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">sensors</topic></authority><related type="narrower"><topic>esthesiometers</topic></related><related type="narrower"><topic>microsensors</topic></related><related type="narrower"><topic>biosensors</topic></related><related type="narrower"><topic>electronic nose technology</topic></related><related type="broader"><topic>measuring devices for extent</topic></related><variant type="other"><topic>detectors</topic></variant><variant type="other"><topic>sensor</topic></variant> <note xml:lang="en"><![CDATA[ A device which operates as a feedback control system, emitting a signal that measures or detects a physical stimulus such as heat or motion to which it responds.  ]]></note></mads>