SMILE: A scalable microcontroller library element. - A. K. Betts; Ivo Bolsens; Etienne Sicard; Marc Renaudin; Adrian Johnstone (Microprocess. Microprogramming, 1993)

An Improved Tuning Technique for Switched Capacitor Filters. - H. Shafeeu; A. K. Betts; J. T. Taylor (ISCAS, 1994)

Implementation of a Very Narrow Band Finite Gain Insensitive Pseudo-N-Path Filter. - H. Shafeeu; A. K. Betts; J. T. Taylor (ISCAS, 1994)