Ziemer, R. E. Communications : systems, modulation and noise / R. E. Ziemer - Boston : Houghton Mifflin, c1976. - xii, 513 p. : ill., figs., tabs. ; 23 cm. ISBN: 0395206030 LCCN: Subjects--Topical Terms: Principles of communication LC Class. No.: TK5101 / .Z57 1976 Dewey Class. No.: 621.3981 / Z66c