Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
DEA J. Y.,"Observations of Anomalous ULF Signals Preceding the Northridge Earthquake of January 17, 1994",Atmospheric and Ionospheric Electromagnetic Phenomena Associated with Earthquakes,,Terra Sci. Pub Co.,1999,,,,https://cir.nii.ac.jp/crid/1573387450699691648,