REFERENCES
- Gille (JC), Pelegrin (MJ) and Decauline (P). Feedback Control Systems. 1959. McGraw-Hill, New York.
- Thaler (GJ) and Pastel (MP). Analysis and Design of Nonlinear Feedback Control System. 1962. McGraw-Hill, New York.
- Mitra (R). On Off Servo Compensation by Logic circuits. I.E.E.—I.E.R.E. Proc. (India), Nos. 1 to 3, 1969, 7–11.
- Gibson (JE). Nonlinear Automatic Control. 1963. McGraw-Hill, New York.