Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Yokoyama Yukiko and Kumazawa Mineo and Nakajima Takahiro,Transfer function measured by electromagnetic sounding with an accurately controlled signal,"Earth, Planets and Space",13438832,"Society of Geomagnetism and Earth, Planetary and Space Sciences, The Seismological Society of Japan, The Volcanological Society of Japan , The Geodetic Society of Japan , The Japanese Society for Planetary Sciences",2002,54,5,459-472,https://cir.nii.ac.jp/crid/1390001206514128896,https://doi.org/10.1186/bf03353037