TY - GEN AU - Stallings,William TI - Data and computer communications SN - 0131833111 AV - TK5105 .S73 2004 PY - 2004/// CY - Upper Saddle River, N.J. PB - Pearson/Prentice Hall KW - Data transmission systems KW - Computer networks N1 - Includes bibliographical references (p. [815]-822) and index ER -