TY  - BOOK
AU  - Bingham, John E.
AU  - Davies, Grath W.P.
TI  - PLANNING FOR DATA COMMUNICATIONS
U1  - 001.61 
PY  - 1977///
CY  - London
PB  - Macmillan
KW  - System Analysis
KW  - Data Transmission Systems
N1  - Bibliography : P.190-213
ER  -