1. On the design of linear multivariable control systems;Rosenbrock,1966
2. Design of linear multivariable control systems using the inverse Nyquist array;Rosenbrock,1969
3. Progress in the design of multivariable control systems;Rosenbrock;Trans. Inst. Measurement Control,1971
4. The return difference and return ratio matrices and their use in the analysis and design of Multivariable control systems;Macfarlane,1970