Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hall C. M. and Nozawa S. and Meek C. E. and Manson A. H.,On the response of fading times of upper homosphere radar echoes to solar and geomagnetic disturbances,"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",2002,54,6,699-705,https://cir.nii.ac.jp/crid/1390001206511979520,https://doi.org/10.1186/bf03351721