1. Synthesis of Feedback Systems;Horowitz,1963
2. Synthesis of feedback systems with large plant ignorance for prescribed time-domain tolerances;Sidi;Int. J. Control,1972
3. Feedback Control Systems;Smith,1958
4. Servomechanism and Regulating System Design;Chestnut,1959
5. Introduction to the Design of Servomechanisms;Bower,1958