1. Fourier Analysis
2. Sakakibara , Y. Gleason , A. Who Is Fourier? A Mathematical Adventure Language Research Foundation, Transnational College of Lex Tokyo 10
3. ‘A Digital Controlled PV-Inverter with Grid Impedance Estimation for ENS Detection’;Asiminoaei;IEEE Transactions on Power Electronics,2005
4. Dolen , M. Lorenz , R. D. ‘Industrially Useful Means for Decomposition and Differentiation of Harmonic Components of Periodic Waveforms’ Proceedings of the IEEE Industry Applications Society Annual Meeting 2000 1016 1023