1. 1. The IEEE standard dictionary of electrical and electronics terms, 6th ed., IEEE Std. 100-1996.
   2. Electromagnetic compatibility (EMC), Part 4, Section 30: Power quality measurement methods, IEC 61000-4- 30.
   3. IEEE Recommended Practice for Monitoring Electric Power Quality, IEEE Standard 1159-1995, June 1995
   4. M. H. J. Bollen, Understanding Power Quality Problems—Voltage Sags and Interruptions: IEEE Press, New York, 2000.
   5. Z.Q.,Wang, S.Z., Zhou, Y. J., Guo, ”Comparisons on Ways of Magnitude Characterization of Power Quality Disturbances,” Proceedings of IEEE Large Engineering Systems Conference on Power Engineering, pp. 178-183, 2002.
   6. Rodney H.G. Tan and V.K. Ramachandramurthy, “ Numerical Model Framework of Power Quality events,” European Journal of Scientific Research, vol. 43 no.1, pp.30-47, 2010.
   7. J. Seymour, “The seven types of power quality problems” white paper 18, Revision 1, Schneider Electric White Paper Library 2011.
   8. Bhim Singh, D. T. Shahani and Raj Kumar,” Recognition of Power Quality Events using DT-DWT Based Complex Wavelet Transform,” Proceedings of Fifth IEEE Power India Conference, pp.1-4, 2012.
   9.  D. Choudhury, Characrterization of power quality disturbances using signal processing and soft computing techniques, thesis. NIT Rourkela, 2013.
   10. Cheng-I Chen, Yeong-Chin Chen, Yung-Ruei Chang and Yih-Der Lee,” An Accurate Solution Procedure for Calculation of Voltage Flicker Components,” IEEE Transactions on Industrial Electronics, Vol. 61, No. 5, May 2014.
   11. Irene Yu-Hua Gu and Emmanouil Styva Ktakis, “Bridge The Gap: Signal Processing For Power Quality Applications”, Electrical Power Systems Research 66, pp.83-96,2003.
   12. D. G. Lieberman, R. J. R. Troncosco, R. A. O. Rios and A. G. Perez, “Techniques and Methodologies for Power Quality Analysis and Disturbances Classification in Power Systems: A Review”, IET Generation, Transmission and Distribution 2010.