References
- Millman, J. & Taub, H., “Pulse, digital and switching waveforms” (McGraw-Hill Book Co. Inc., New York, USA), 1965.
- Klein, G. & Hagenbeuk, Electronic Engng, 39 (June 1967), 388.
- Sankaranarayanan, P. E., “Closed loop analysis of a triangular wave generator”, (under publication).
- Klein, G. & Kuijk, K. E., Electronic Engng, 41 (March 1969), 378.