<?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/">CIRCUITOS MAGNETICOS</topic></authority><related type="narrower"><topic>BOBINAS ELECTRICAS</topic></related><related type="narrower"><topic>CALCULO OPERACIONAL</topic></related><related type="narrower"><topic>CIRCUITOS DE TUBOS DE VACIO</topic></related><related type="narrower"><topic>CIRCUITOS ELECTRONICOS</topic></related><related type="narrower"><topic>CIRCUITOS IMPRESOS</topic></related><related type="narrower"><topic>Efecto Volta</topic></related><related type="narrower"><topic>NUCLEOS MAGNETICOS</topic></related><related type="narrower"><topic>REDES ELECTRICAS</topic></related><related type="broader"><topic>CIRCUITOS ELECTRICOS</topic></related><related type="broader"><topic>CONTACTOS ELECTRICOS</topic></related><related type="broader"><topic>LINEAS ELECTRICAS</topic></related><variant type="other"><topic>Electricidad--Circuitos</topic></variant></mads>