F. Schweppe, J. Wildes, and D. Rom, Power system static state estimation: Parts I, II, and III,” Power Industry Computer Conference (PICA), Denver, Colorado June, 1969.
 A. Monticelli, State Estimation in Electric Power Systems: A Generalized Approach,” Kluwer, Boston, 1999.
 F. C. Schweppe, Power system static state estimation. Part III: Implementation, IEEE Trans. Power App. Syst., vol. 89, no. 1, pp. 130–135,Jan. 1970.
 A. Abur and A. G. Exposito, Electric Power System State Estimation. Theory and Implementations. New York: Marcel Dekker, 2004
 A.Monticelli, Electric power system state estimation, Proceedings of the IEEE, vol. 88, no. 2, pp. 262–282, 2000.
 R. Larson, W. Tinney, L. Hadju, and D. Piercy, State estimation in power systems. part II: Implementations and applications, IEEE Trans. Power App. Syst., vol. 89, no. 3, pp. 353–362, Mar. 1970.
 A. Garcıa, A. Monticelli, and P. Abreu, “Fast decoupled state estimation and bad data processing, IEEE Trans. Power App. Syst., vol. 98, no. 5, pp. 1645–1652, Sept./Oct. 1979.
 J. J. Allemong, L. Radu, and A. M. Sasson, A fast and reliable state estimation algorithm for AEP’s new control center, IEEE Trans. PowerApp. Syst., vol. 101, no. 4, pp. 933–944, Apr. 1982.
 L. Holten, A. Gjelsvik, S. Aam, F. Wu, and W. H. E. Liu, “Comparison of different methods for state estimation, IEEE Trans. Power Syst.”, vol. 3, no. 4, pp. 1798–1806, Nov. 1988.
 State Estimator Observability and Redundancy Requirements. ERCOT. 2004