TY  - BOOK
ED  - United States.
TI  - Automatic data processing activities summary in the United States government
U1  - 621.382 
PY  - 1981///
CY  - Washington, D.C.
PB  - United States Government Printing Office
KW  - Telecommunication
KW  - Digital communications
N1  - Automated data and telecommunication service
ER  -