TY  - BOOK
AU  - 
TI  - DATA COMMUNICATIONS, COMPUTER NETWORKS AND OPEN SYSTEM 
SN  - 010142293
AV  - TK5105 .H35d 1996 000223
PY  - 1996///
CY  - England 
PB  - ADDISON-WESLEY
KW  - DAta Transmission Systems
ER  -