TY - BOOK AU - Fitzgerald,Jerry AU - Dennis,Alan TI - Business data communications and networking SN - 047139100X AV - TK5105 F579B 2002 PY - 2002/// CY - Danvers, Mass. PB - Wiley KW - DATA TRANSMISSION SYSTEMS KW - COMPUTER NETWORKS KW - OFFICE PRACTICE KW - AUTOMATION N1 - Includes index ER -