1. P.E. Allen, E. Sanchez-Sinencio, Switched Capacitor Circuits (Van Nostrand-Reinhold, New York, 1984), ISBN: 0-4422-0873-1
2. A. Harley Reeves, Electric signaling system, U.S. Patent 2-272-070, issued February 3, 1942. Also French Patent 852-183 issued 1938, and British Patent 538-860 issued 1939
3. R.J. van de Plassche, Dynamic element matching for high-accuracy monolithic D/A converters. IEEE Journal of Solid-State Circuits 21, 795–800 (1976)
4. J.A. Schoeff, An inherently monotonic 12 bit DAC. IEEE Journal of Solid-State Circuits 24, 904–911 (1979)
5. J.R. Naylor, A complete high-speed voltage output 16-bit monolithic DAC. IEEE Journal of Solid-State Circuits 28, 729–735 (1983)