[4] H. D. Chiang, J. C. Wang, O. Cockng, and H. D. Shin, “Optimal capacitors placements in distribution system, Part I:A new formulation of the overall problem,”IEEE Trans. on Power Delivery, Vol. 5, pp. 634-642,Apr.1990.
[5] C. T. Su and C. C. Tasi, “A new fuzzy reasoning approach to optimum capacitor allocation for primary distribution systems,” Proceedings of the IEEE International Conference on Industrial Technology, pp. 237-241, 1996
[6] L. D. B. Terra and M. M. Gouvea, “Fuzzy goal programming applied to the optimal reactive power flow problem,” Proceedings 1999 IEEE Trans. on Power Tech Conference, BPT99-120-23.