1. Self tuning control of systems using feedforward;Allidina;Proc. IEEE, Pt D,1981
2. A linear-quadratic gaussian self-tuner;Åström;Ricerche di Automatica,1982
3. Zeros of sampled systems;Åström;Automatica,1984
4. The self-tuning regulator revisited;Åström,1985
5. Experiences with self-tuning control in the process industry;Bengtsson,1984