1. Astrom, K. J., Hagglund, T., 2006, Advanced PID Control, ISA, The Instrumentation, Systems and Automation Society. ISBN: 978155617-9426
2. Revisiting the Ziegler-Nichols step response method for PID control, J;Aström;of Process Control,2004
3. Büchi, R., 2022, Parameter tables for PID controllers for time delayed systems optimized with a learning method, ASIM Proceedings.
4. Cameron, I., 2009, Pedagogy and immersive environments in the curriculum, Blended Learning conference, 290-294.
5. Theoretical consideration of retarded control;Cohen;Transactions of ASAME,1953