<?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">plane figures</topic></authority><related type="narrower"><topic>circles</topic></related><related type="narrower"><topic>ellipses</topic></related><related type="narrower"><topic>ovals</topic></related><related type="narrower"><topic>polygons</topic></related><related type="narrower"><topic>hyperbolas</topic></related><related type="narrower"><topic>parabolas</topic></related><related type="narrower"><topic>semicircles</topic></related><related type="narrower"><topic>semiellipses</topic></related><related type="narrower"><topic>catenaries</topic></related><related type="broader"><topic>geometric figures</topic></related><variant type="other"><topic>figures, plane</topic></variant><variant type="other"><topic>plane figure</topic></variant> <note xml:lang="en"><![CDATA[ Two-dimensional geometrical configurations. ]]></note></mads>