TY  - BOOK
AU  - Hughes,Larry,1954-
TI  - Introduction to data communications : a practical approach
SN  - 0867207450
U1  - 004.6 
PY  - 1997///
CY  - Sudbury, Mass.
PB  - Jones and Bartlett
KW  - Data transmission systems
KW  - COMPUTERS -- Networking -- Vendor Specific
KW  - COMPUTERS -- Data Transmission systems -- General
N1  - Includes bibliographical references and index
ER  -