1. Adaptive robust control: on-line learning. Proceedings of the Conference on Decision and Control, CDC'91, Brighton, England, 1991; 297-298.
2. Towards a joint design of identification and control? In: Essays on control: Perspectives in the Theory and its Applications, (eds) Birkhäuser: Boston, 1993; 111-151.
3. Identification of normalized coprime plant factors for iterative model and controller enhancement. Proceedings of the Conference on Decision and Control, CDC'93, 1993; 2839-2844.
4. A framework for control based model invalidation. Proceedings of the American Control Conference, ACC'94, Baltimore, 1994; 3017-3021.