1. Åström, K. J. (1997). Fundamental limitations of control system performance. In A. Paulraj, V. Roychowdhury, & C. D. Schaper (Eds.), Communications, computation, control and signal processing—A tribute to Thomas Kailath (pp. 355–363). Boston: Kluwer.
2. Network analysis and feedback amplifier design;Bode,1945
3. Linear controller design—limits of performance;Boyd,1991
4. A course in H∞ control theory;Francis,1987
5. Frequency domain properties of scalar and multivariable feedback systems;Freudenberg,1988