1. Self-tuning regulators — Design principles and applications;Åström,1980
2. Direct methods for nonminimum phase systems;Åström,1980
3. Theory and applications of self-tuning regulators;Åström;Automatica,1977
4. On self-tuning regulator;Åström;Automatica,1973
5. A linear quadratic Gaussian self-tuner;Åström,1982