1. A semi-active stiffness damper for vibration control of civil engineering structures. Proceedings of International Modal Analysis Conference Seismic Isolation, Society for Experimental Mechanics, Inc., Bethel, Conn., 1999; 437-443.
2. Resetting Semiactive Stiffness Damper for Seismic Response Control
3. Actual seismic response controlled building with semi‐active damper system
4. Parametric control of seismic-excited structures. First World Conference on Structural Control, Los Angeles, California, USA, 1994; WP1, 88-97.
5. Vibration control of structures using hybrid ER/Viscous dampers. First World Conference on Structural Control, Los Angeles, California, USA, 1994; TA2-41-TA2-49.