TY - BOOK AU - Roddy, Dennis AU - Coolen, John TI - Electronic communications SN - 81-203-0984-7 U1 - 621.38 PY - 1995/// CY - New Delhi PB - Prentice-Hall KW - Antennas KW - Electric circute KW - Electric communication N1 - Includes bibliographical references and index ER -