A. Jain, A. Thoke and R. Patel, “Fault Classification of Double Circuit Transmission Line Using Artificial Neural Network,” International Journal of Electrical and Electronics Engineering, Vol. 1, No. 4, 2008, pp. 230-235.
 A. Jain and A. Thoke, “Classification of Single Line to Ground Faults on Double Circuit Transmission Line Using ANN,” International Journal of Computer and Electrical Engineering, Vol. 1, No. 2, 2009, pp. 196-203.
 H. Zheng-You, C. Xiao-Qing and F. Ling, “Wavelet Entropy Measure Definition and Its Application for Transmission Line Fault Detection and Identification (Part II: Fault Detection in Transmission Line),” International Conference on Power System Technology, Chongqing, 22-26 October 2006, pp. 1-5.
 K. S. Swarup, N. Kamaraj and R. Rajeswari, “Fault Diagnosis of Parallel Transmission Lines Using Wavelet Based ANFIS,” International Journal of Electrical and Power Engineering, Vol. 1, No. 4, 2007, pp. 410-415.
 V. Malathi and N. Marimuthu, “Multi-Class Support Vector Machine Approach for Fault Classification in Power Transmission Line,” IEEE International Conference on Sustainable Energy Technologies ICSET 2008, Singapore, 24-27 November 2008, pp. 67-71.
 S. El Safty and A. El-Zonkoly, “Applying Wavelet Entropy Principle in Fault Classification, International,” Journal of Electrical Power & Energy Systems, Vol. 31, No. 10, 2009, pp. 604-607. doi:10.1016/j.ijepes.2009.06.003
 J. Upendar, C. P. Gupta and G. K. Singh, “Discrete Wavelet Transform and Genetic Algorithm Based Fault Classification of Transmission Systems, National Power Systems Conference (NPSC-2008),” Indian Institute of Technology, Bombay, December 2008, pp. 223-228.
 K. Razi, M Hagh and G Ahrabian, “High Accurate Fault Classification of Power Transmission Lines Using Fuzzy Logic,” International Power Engineering Conference IPEC, Singapore, 3-6 December 2007, pp. 42-46.
 S. Vaslilc and M. kezunovic, “Fuzzy ART Neural Network Algorithm for Classifying the Power System Faults,” IEEE Transactions on Power Delivery, Vol. 20, No. 2, 2005, pp. 1306-1314. doi:10.1109/TPWRD.2004.834676
 E. Styvaktakis, M. Bollen and I. Gu, “Automatic Classification of Power System Events Using rms Voltage Measurements,” IEEE Power Engineering Society Summer Meeting, Chicago, 25 July 2002, pp. 824-829.
 J. Karhunen and J. Joutsensalo, “Generalizations of Principal Component Analysis, Optimization Problems, and Neural Networks,” Neural Networks, Vol. 8, No. 4, 1995, pp. 549-562. doi:10.1016/0893-6080(94)00098-7
 I. Abdel-Qader, S. Pashaie-Rad, O. Abudayyeh and S. Yehia, “PCA-Based Algorithm for Unsupervised Bridge Crack Detection,” Advances in Engineering Software, Vol. 37, No. 12, 2006, pp. 771-778. doi:10.1016/j.advengsoft.2006.06.002