COUCH, LEON W. DIGITAL AND ANALOG COMMUNICATION SYSTEMS - 7TH ED. - Estados Unidos PEARSON EDUCATION 2007 UPPER SADDLE RIVER - 752 ISBN: 0131424920 LCCN: 65700 Subjects--Topical Terms: SISTEMA DE COMUNICACION DIGITALSISTEMAS DE COMUNICACION INALAMBRICOS Dewey Class. No.: 621.382