TY - GEN AU - Beyda,William J. TI - Data communications : from basics to broadband SN - 0-13-096139-6 U1 - 004.6 PY - 2000/// CY - Upper Saddle River, N.J. PB - Prentice Hall KW - Data transmission systems KW - Computer networks KW - Telecommunication systems N1 - Previous ed.: 1996 ER -