A Wavelet Spectral Analysis Technique for Automatic Detection of Geomagnetic Sudden Commencements. - Ali Gamal Hafez; Essam Ghamry; Hideki Yayama; Kiyohumi Yumoto (IEEE Trans. Geosci. Remote. Sens., 2012)

Un-decimated discrete wavelet transform based algorithm for extraction of geomagnetic storm sudden commencement onset of high resolution records. - Ali Gamal Hafez; Essam Ghamry; Hideki Yayama; Kiyohumi Yumoto (Comput. Geosci., 2013)