TY  - BOOK
AU  - Lientz, Bennet P.
AU  - Rea, Kathryn P.
TI  - Data communications for business
SN  - 0801630134
U1  - 658.05, 
PY  - 1987///
CY  - Toronto
PB  - Times Mirror/Mosby Coilege
ER  -