<?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">circular graphs</topic></authority><related type="broader"><topic>graphs</topic></related><variant type="other"><topic>graphs, pie</topic></variant><variant type="other"><topic>pie charts</topic></variant><variant type="other"><topic>pie graphs</topic></variant><variant type="other"><topic>circular graph</topic></variant><variant type="other"><topic>graphs, circular</topic></variant> <note xml:lang="en"><![CDATA[ Diagrams in the form of a circle divided by radii into sectors proportional to relative magnitudes, quantities, or frequencies of a set or to the number of data values in a corresponding class.  ]]></note></mads>