REFERENCES
- Borden, H. C. & Pighini, G. P., “Solid state displays”, Hewlett Packard J., 20 (6) (Feb. 1969), 2–12.
- Hobbs, L. C., “Display applications and technology”, Proc. IEEE., 54 (12) (Dec. 1966), 1870–84.
- Osborne, T. E., “Hardware design of the model 9100A calculator”, Hewlett Packard J., 20 (1) (September 1968), 10–13.
- Philips application note “Numerical display with CRT using bar-matrix principle No. 5, 22–2S2-BE (N.V. Philips Gloeilampen fabricken, Eindhoven, The Netherlands), 1967.