Hayakawa, Masashi, University of Electro-Communications: Advanced Wireless Communications Research Center; Research Station on Seismo Electromagnetics; Hayakawa Institute of Seismo-Electromagnetics, Co. Ltd., Tokyo, Japan
Annals of Geophysics Vol. 55 No. 1 (2012) - EARTHQUAKE PRECURSORS / Special Issue ed. by P.F. Biagi, M.E. Contadakis, M. Hayakawa and T. Maggipinto
Ionospheric perturbations associated with two huge earthquakes in Japan, using principal component analysis for multiple subionospheric VLF/LF propagation paths AbstractPDF