TY - BOOK AU - Kennedy,George AU - Davis,Bernard TI - Electronic communication systems SN - 0074636820 (pbk.) AV - TK5101 .K39 1999 U1 - 621.382 20 PY - 1999/// CY - New Delhi PB - Tata Mc-Graw-Hill KW - Telecommunication N1 - Includes bibliographical references and index ER -