1. R. Chiang and M. Safonov, Robust Control toolbox for Matlab. User’s guide. The Math-Works, South Natick, MA, USA (1988, 1992).
2. J.C. Doyle, “Analysis of Feedback Systems with Structured Uncertainties”, IEE Proc, 129(D), 242–250 (1982).
3. J.C. Doyle and G. Stein, “Multivariable Feedback Design: Concepts for a Classical/Modern Synthesis”, IEEE Trans. AC, 26,1, 4–16, 1981.
4. J.C. Doyle, J.E. Wall and G. Stein, “Performance and Robustness Analysis for Structured Uncertainty”, Proc. IEEE Conf. on Decision and Control, Orlando, Florida, Dec. 1992.
5. J.C. Doyle, Lecture Notes ONR/Honeywell workshop on Adcances in Multivariable Control, Minneapolis, MN (1984).