TY  - BOOK
AU  - Lientz, Bennet P.
TI  - Data communications for business
SN  - 0801630134
AV  - HF 5548.2 L51 1987 CIRC 
PY  - 1987///
CY  - Toronto
PB  - Times Mirror/ Mosby Coilege Publishing
KW  - Business-data processing
KW  - data transmission systems
KW  - computer networks
N1  - Includes bibliography and index
ER  -