Bates, Regis J. Voice and data comunications handbook / Regis J. Bates, Donald W. Gegory - 3rd.ed. - New York : McGraw-Hill , 2000 - xxiv998p. : ill. ; 24 cm. - McGraw-Hill series on computer communications . Includes index ISBN: 0072122765 Subjects--Topical Terms: Telecomunicaciones--- Manuales LC Class. No.: TK 5105 / B 395 2000