TY - BOOK AU - Roden,Martin S. TI - Digital and data communication systems SN - 0132121425 (hbk.) PY - 1982/// CY - Englewood Cliffs, N. J. PB - Prentice-Hall KW - Digital communications KW - Data transmission systems N1 - Includes bibliographical references (p. 346-349) and index ER -