1. The active damper—a new concept for shock and vibration control;CROSBY;The Shock and Vibration Bulletin,1973
2. Theoretical analysis of an active suspension fitted to a London buss;COTTEREL,1975
3. Finite element modeling and semi-active control of vibrations in road vehicles;KHULIEF;American Society of Mechanical Engineers Journal of Dynamic Systems, Measurements and control,1989
4. Characteristics of an active feedback system for the control of plate vibrations;WALKER;Journal of Sound and Vibrations,1976
5. Active Control of Sound;NELSON,1992