Williams, Richard A., 1936- Communication systems analysis and design : a systems approach / [Book]. Richard A. Williams. - Englewood Cliffs, N.J. : Prentice-Hall, 1987. - viii, 470 p. : ill. ; 26 cm. Includes index. Bibliography: p. 460-462. ISBN: 0131537776 0131538756 (intl ed) LCCN: 86017015 Subjects--Topical Terms: Telecommunication systems.