1. Angot, A. (1952). Complements des Mathématiques a l'Usage des Ingenieurs de lElectrotechnique, Masson et Cie, Paris.
2. Åström, K. J., and Hagglund, T. (1995). PID controllers: theory, design, and tuning. 2nd Ed. (Instrument Society of America), Research Triangle Park, North Carolina.
3. The design of PID controller for non-oscillating time-delay plants with guaranteed stability margin based on the modulus optimum criterion.;Cvejn;Journal of Process Control,2013
4. Fišer, J., Zitek, P., and Kucera, V. (2014). IAE optimization of delayed PID control loops using dimensional analysis approach. In: Proc 6th International Symposium on Communications, Control and Signal Processing (ISCCSP), 2014, 262-265, IEEE, Athens.
5. Uber die Vorausberechnung optimal abgestimmter Regelkreise.;Kessler;Regelungstechnik,1955