TY  - BOOK
AU  - Housley,Trevor
TI  - Data communications & teleprocessing systems
SN  - 0131973932
U1  - 384.6 HOU 
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Computer networks
KW  - Data transmission systems
N1  - Includes index
ER  -