TY  - BOOK
AU  - Becker, Hal B.
TI  - Functional analysis of information networks: a structural approach to the data communications environment
T2  - Business data processing
SN  - 0471061247
AV  - TK5102.5.B35 
PY  - 1973///
CY  - New York
PB  - John Wiley
KW  - Data transmission systems
KW  -  Computer input-output equipment
ER  -