TY  - BOOK
AU  - Stamper, David A
TI  - Essential of data communications
SN  - 0-8053-7736-0
U1  - 004.6 STA'E 
PY  - 1997///
CY  - NEWYORK
PB  - ADDISON WESLEY
KW  - COMPUTER NETWORKS DATA TRANSMSSION SYSTEMS
ER  -