<?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://www.serbi.ula.ve/tematres/vocab/">SUPERFICIES</topic></authority><related type="narrower"><topic>COORDENADAS</topic></related><related type="narrower"><topic>CUADRATICOS</topic></related><related type="narrower"><topic>CUATERNIOS</topic></related><related type="narrower"><topic>CURVATURA</topic></related><related type="narrower"><topic>ENVOLVENTES (GEOMETRIA)</topic></related><related type="narrower"><topic>HIPERSUPERFICIES</topic></related><related type="narrower"><topic>TORO (GEOMETRIA)</topic></related><related type="broader"><topic>GEOMETRIA</topic></related><related type="broader"><topic>GEOMETRIA DIFERENCIAL</topic></related><related type="broader"><topic>GEOMETRIA ALGEBRAICA</topic></related><related type="broader"><topic>FRICCION (MECANICA)</topic></related><related type="broader"><topic>GEOMETRIA ANALITICA</topic></related><related type="broader"><topic>MATEMATICAS</topic></related></mads>