1. Simple Class-A amplifier;Linsley-Hood;Wireless World,1969
2. Better audio from non-complements?;Olsson;Electronics World,1994
3. An audio power amplifier for ultimate quality requirements;Lohstroh;IEEE Trans. Audio Electroacoustics,1973
4. Self On Audio;Self,2006
5. Design parameters important for the optimisation of PWM (Class-D) amplifiers;Attwood;JAES,1983