TY - BOOK AU - Haykin,Simon S. TI - An introduction to analog and digital communications SN - 0471859788 AV - TK5101 .H373 1989 U1 - 621.38 19 PY - 1989/// CY - New York PB - Wiley KW - Telecommunication systems N1 - Includes index; Bibliography: p. 635-639 ER -