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2. Design of multivariable control systems using the Inverse Nyquist Array;Rosenbrock;Proc. IEEE,1969
3. The characteristic locus design method;MacFarlane;Automatica,1973
4. A survey of some recent results in linear multivariable feedback theory;MacFarlane;Automatica,1972
5. Alternatives for Linear Multivariable Control,1978