1. Eigenstructure assignment
2. Skogestad, S. and Postlethwaite, I.: Multivariable Feedback Control: Analysis and Design. John Wiley & Sons, Chichester, England, 1996.
3. Dorf, R. C. and Bishop, R. H.: Modern Control Systems. Eighth edition. Addison Wesley, Inc., Menlo Park, CA., 1998.