TY  - BOOK
AU  - SHERMAN,Kenneth
TI  - Data communications: a user's guide 
SN  - 0131990926
AV  - TK5105.5 S553D 1990
PY  - 1990///
CY  - Englewood Cliffs, N.J.
PB  - : Prentice Hall
KW  - Computer networks
KW  - Handbooks, manuals, etc
KW  - Data transmission systems
N1  - "A Reston book."
ER  -