<?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">phonology</topic></authority><related type="other"><topic>phonologists</topic></related><related type="other"><topic>phonetics</topic></related><related type="broader"><topic>theoretical linguistics</topic></related><variant type="other"><topic>phonological</topic></variant> <note xml:lang="en"><![CDATA[ Study of the systems and patterns of language, including how speech sounds are combined, organized, and convey meaning. For the study of the production, transmission, perception, and description of speech sounds, use "phonetics." ]]></note></mads>