Freeman, Roger L. Telecommunication transmission handbook / Roger L. Freeman. - 2nd ed. - New York : Wiley, c1981. - xxvii, 706 p. : ill. ; 24 cm. "A Wiley-Interscience publication." ISBN: 0471080292 LCCN: 81007499 Subjects--Topical Terms: Telecommunication. Dewey Class. No.: 621.38