Computation of Periodicities for Geomagnetic and Solar Indices using Fourier Transformation. - Idrak Heybatli; Feza Arikan (SIU, 2024)

Spectral analysis of interplanetary and geomagnetic indices using fourier transform for high solar activity years. - Idrak Heybatli; Orhan Arikan; Feza Arikan (Signal Image Video Process., 2025)