Schoenbeck, Robert J. Electronic communications modulation and transmission/ Robert J. Schoenbeck - 2nd ed. - New Delhi: Prentice-Hall of India, c1992 - xxiv, 645 p.; 23 cm. Includes index ISBN: 8120314832 Rs. 225.00 Subjects--Topical Terms: Compute networksTelecommunication networks Dewey Class. No.: 621.382