Domestic interconnection arrangements for Datel services /
J.G. Williams.

APA Citation

Williams, J. G. (John Garland). (1981). Domestic interconnection arrangements for Datel services. [Washington]: U.S. Dept. of Commerce, National Telecommunications and Information Administration.

MLA Citation

Williams, J. G. (John Garland), 1939-. Domestic Interconnection Arrangements for Datel Services. [Washington]: U.S. Dept. of Commerce, National Telecommunications and Information Administration, 1981.