Introduction to telephones and telephone systems / A. Michael Noll - 3th. ed. - Boston : Artech House , 1998 - xx, 373 p. ; 24 cm. - Artech House Telecommunications library . ISBN: 1580530001 Subjects--Topical Terms: TelefonoSistemas telefónicos LC Class. No.: TK 6162 / N 65 1998