<?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">optical disks</topic></authority><related type="narrower"><topic>compact discs</topic></related><related type="narrower"><topic>DVDs</topic></related><related type="narrower"><topic>Blu-ray discs</topic></related><related type="broader"><topic>machine-readable artifacts</topic></related><related type="broader"><topic>data processing media</topic></related><variant type="other"><topic>disks, optical</topic></variant><variant type="other"><topic>laser discs</topic></variant><variant type="other"><topic>laser disks</topic></variant><variant type="other"><topic>laserdiscs</topic></variant><variant type="other"><topic>optical discs</topic></variant><variant type="other"><topic>optical disk</topic></variant> <note xml:lang="en"><![CDATA[ Data storage devices in disk form that use lasers to write and access data. The data may be stored in an analogue format such as a videodisc, or in a digital format such as a compact disk. ]]></note></mads>