<?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/">TEORÍA ELECTROMAGNÉTICA</topic></authority><related type="narrower"><topic>ECUACIONES DE MAXWELL</topic></related><related type="narrower"><topic>ELECTRODINAMICA CUANTICA</topic></related><related type="narrower"><topic>TEORIA ONDULATORIA DE LA LUZ</topic></related><related type="broader"><topic>ELECTRONES</topic></related><related type="broader"><topic>TEORIA DE CAMPOS (FISICA)</topic></related><related type="broader"><topic>CAMPOS MAGNETICOS</topic></related><related type="broader"><topic>CAMPOS ELÉCTRICOS</topic></related></mads>