1. Andersson, J. (2013). A General Purpose Software Framework for Dynamic Optimization. Phd thesis, Arenberg Doctoral School, KU Leuven.
2. Drum-boiler dynamics;Åström;Automatica,2000
3. The future of PID control;Åström;Control Engineering Practice,2001
4. PID Controllers -Theory, Design, and Tuning;Åström,1995
5. Advanced PID Control;Åström,2006