Issue No.06 - June (1979 vol.12)
A.E., Jr. Joel , Bell Telephone Laboratories
Circuit switching systems predate computers. Partly for that reason, computer engineers may learn something from a look at their architecture.
A.E., Jr. Joel, "Circuit Switching: Unique Architecture and Applications", Computer, vol.12, no. 6, pp. 10-22, June 1979, doi:10.1109/MC.1979.1658774