Issue No.06 - November/December (1972 vol.5)
Nearly 100 million messages a year can be speeded among more than 80,000 terminals by a new message- switching and processing facility demonstrated recently in Middletown, Va.
"New Applications", Computer, vol.5, no. 6, pp. 64-66, November/December 1972, doi:10.1109/C-M.1972.217000