1. E. A. Vittoz, “Future of Analog in the VLSI Environment,” Proc. IEEE Int. Symp. Circuits Syst., pp. 1372-1375, May 1990.
2. E. A. Vittoz, “Low-Power Design: Ways to Approach the Limits,” Proc. IEEE Int. Symp. Circuits Syst., pp. 14-18, May 1994.
3. E. A. Vittoz, “Low-Power/Low-Voltage Limitations and Prospects in Analog Design,” in Advances in Analog Circuit Design Workshop, Eds. R. S. van de Plassche, W. M. C. Sansen and J. H. Huijsing, Boston, Kluwer Academic Publishers, 1994, first published in Eindhoven, The Netherlands, March 29–31, 1994.
4. R. Castello and P. R. Gray, “Performance Limitation in Switched-Capacitor Filters,” IEEE Trans. Circuits Syst., vol. CAS-32, pp. 865–876, Sept. 1985.
5. C. C. Enz and E. A. Vittoz, “CMOS Low-power analog circuit design,” in Emerging Technologies, Tutorial for 1996 International Symposium on Circuits & Systems, Edited by R. Cavin and W. Liu, IEEE Service Center, Piscataway, NJ, 1996, chapter 1.2, pp. 79-133, ISBN 0-7803-3328-4.