TY  - BOOK
AU  - Held, Gilbert
TI  - Understanding data communication: from fundamentals to networking
SN  - 0 471 627
U1  - 004.6 ed.3
PY  - 2000///
CY  - Chichester
PB  - John Wiley and Sons
KW  - 1. COMPUTER SCIENCE
N1  - Includes figures, tables & index
ER  -