Issue No.03 - May/June (1986 vol.3)
R.N. Britcher , IBM
Modifying 100,000 lines of 20-year-old code, IBM-FSD successfully applied its software engineering principles to modernization of the FAA'S air traffic control system.
R.N. Britcher, "Using Modem Design Practices to Upgrade Aging Software Systems", IEEE Software, vol.3, no. 3, pp. 16-24, May/June 1986, doi:10.1109/MS.1986.233407