1. Estimation of higher frequency network equivalent impedances by harmonic analysis of natural waveforms;Crevier;IEEE Trans, on Power Appar. a. Syst,1978
2. McGranaghan , M. F. Instrumentation and methodology for power system harmonic measurement. Int. Conf. on Harmonics in Power Syst 1984 213 219
3. Benta , L. E. Meliopoulos , A. P. Instrumentation and methodology for power system harmonic measurement 1984 225 228
4. Powers in nonsinusoidal networks, their analysis, interpretation and measurement;Czarnecki;IEEE Trans. Instrument, a. Meas.,1990
5. Current and Power Equations at Bidirectional Flow of Harmonic Active Power in Circuits with Rotating Machines;Czarnecki;ETEP Eur. Trans, on Electr. Power,1993