TY  - ADVS
AU  - McConnell,Gary
AU  - Oehler,Cindy
TI  - Data network overview
PY  - 2001///
CY  - Lisle, IL
PB  - Telcordia Technologies
KW  - Data transmission systems
N1  - Writer, Mark Bade ; graphic, Jay Hoppie; Narrator: Lisa Keefe, Tom O'Toole
ER  -