1. The digiphase synthesizer, Proc 23rd Annual Frequency Control Symposium (1969).
2. and Low power RF receiver front ends and frequency synthesizers for wireless, IEEE ISCAS, Tutorial Workshop (1996).
3. Frequency synthesizers ? theory and design, Wiley-Interscience, (1987) 283-284.
4. Frequency synthesis by phase lock, ISBN 0-471-32104-4, New York: John Wiley & Sons (1999) 372-373.