TY - BOOK AU - Sveum,Myron E. TI - Data communications: an overview SN - 0130798622 (hbk.) AV - TK5105 .S94 2000 U1 - 004.6 21 PY - 2000/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Data transmission systems N1 - Includes index ER -