1. Anderson, P. M., & Fouad, A. A. (1977). Power system control, stability. Science Press, Ephrata, Pa 17522.
2. Colombo, F., De Marco, A., Ferrari, E., & Magnani, G. (1983). Considerations upon the representation of turbine and boiler in the dynamic response of fossil-fired electrical units. Proceedings of the Cigre-IFAC symposium on control applications for power systems security, Florence (Italy).
3. Spanner, M., Welfonder, E., Tillmann, H.-B., & Zerênyi, J. (1998). Load flow dependence of slow interarea oscillations occurring in the extended European power system. CIGRE session, Paris, 30 August–05 September 1998.
4. UCPTE (1998). Spielregeln zur primaren und sekundaren Frequenz-und Wirkleistungsregelung in der, 17 February 1998.
5. Welfonder, E., Lampert, A., & Heilemann, F. (1980). Control behaviour of electrical power stations and load operating in connection. IFAC symposium on large scale systems theory and applications, Toulouse, 25–27 June 1980.