TY - BOOK AU - Roddy, Dennis AU - Coolen, John TI - Electronic communications SN - 0-87692-396-1 U1 - 621.39 PY - 1989/// CY - New Delhi PB - Prentice-Hall of India KW - Electronic Communications KW - Communications - Electronics KW - Digital communications KW - Satellite communication KW - Fiber optic communication ER -