Issue No.08 - August (1975 vol.8)
J.M. Galey , IBM
In the past decade, microprogramming has changed from a machine implementation process for large computing devices to a widespread design practice covering the full spectrum of machines as measured by their size, performance, and cost.
J.M. Galey, "Microprogramming: The bridge between Hardware and Software", Computer, vol.8, no. 8, pp. 23, August 1975, doi:10.1109/C-M.1975.219048