1. On self-tuning regulators;Åström;Automatica,1973
2. Self-tuning controllers based on pole-zero placement;Åström;Proc IEE Pt. D,1980
3. Continuous-time Self-tuning Control. Vol 1: Design;Gawthrop,1987
4. Continuous-time Self-tuning Control. Vol 2 Implementation;Gawthrop,1990
5. Bond graph based control: A process engineering example;Gawthrop,1992