TY - BOOK AU - Kennedy,George AU - Davis,Bernard TI - Electronic communication systems SN - 0074636820 U1 - 621.382 20 PY - 1993/// [reprinted 2008 , 2003 ,2001] CY - Lake Forest, Ill., New Delhi PB - Glencoe, Tata McGraw-Hill KW - Telecommunication N1 - Includes index ER -