TY - BOOK AU - Stanley,William D. AU - Jeffords,John M. TI - Electronic communications: principles and systems SN - 1418000035 (alk. paper) AV - TK5101 .S6594 2006 U1 - 621.382 22 PY - 2006/// CY - Clifton Park, NY PB - Thomson Delmar Learning KW - Telecommunication KW - Digital communications N1 - Includes index ER -