TY  - BOOK
AU  - Williams,J.G.
ED  - United States.
TI  - Domestic interconnection arrangements for datel services
U1  - 336 
PY  - 1981///
CY  - Washington, D.C
PB  - United States Government Printing Office
KW  - Finance, Public
N1  - NTIA-Report-81-67
ER  -