TY - BOOK AU - Martin,James TI - Telecommunications and the computer SN - 0139026444 : AV - TK5101 .M326 1990 U1 - 621.382 20 PY - 1990/// CY - Englewood Cliffs, N.J. PB - Prentice Hall KW - Telecommunication KW - Data transmission systems N1 - "A James Martin book"--Cover; Includes bibliographical references and index ER -