1. Daley, S. (ed.). (1999). PID tuning methods (special edition). Computing and Control Engineering Journal, 10(2), 42–69.
2. Ho, M.-T., Datta, A., & Bhattacharyya, S. P. (1996). A new approach to feedback stabilization. In Conference on decision contr., December (pp. 4643–4648). Kobe, Japan: IEEE.
3. Ho, M.-T., Datta, A., & Bhattacharyya, S. P. (1997a). A linear programming characterization of all stabilizing PID controllers. In Proceedings of the Amer. contr. conf., June (pp. 3922–3928). Albuquerque, NM: IEEE.
4. Ho, M.-T., Datta, A., & Bhattacharyya, S. P. (1997b). Control system design using low order controllers: Constant gain, PI and PID. In Proceedings of the Amer. contr., June (pp. 571–578). Albuquerque, NM: IEEE.
5. Malan, S. A., Milanese, M., & Taragna, M. (1994). Robust tuning for PID controllers with multiple performance specifications. In Conference on decision contr. (pp. 2684–2689). Lake Buena Vista, FL: IEEE.