TY - BOOK AU - RODDY DENNIS and COOLEN JOHN TI - Electronic Communications SN - 81-203-0984-7 PY - 1997/// CY - New Delhi PB - Prentice-Hall of India KW - Communication Electronics KW - Electronics KW - telecommunications KW - communication engg KW - possive circuits KW - digital communication KW - wave guides KW - telephone systems ER -