著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) C. J. Schrijver and J. Beer and U. Baltensperger and E. W. Cliver and M. Güdel and H. S. Hudson and K. G. McCracken and R. A. Osten and T. Peter and D. R. Soderblom and I. G. Usoskin and E. W. Wolff,"Estimating the frequency of extremely energetic solar events, based on solar, stellar, lunar, and terrestrial records",Journal of Geophysical Research: Space Physics,0148-0227,American Geophysical Union (AGU),2012-08,117,A8,8103,https://cir.nii.ac.jp/crid/1361699994125357568,https://doi.org/10.1029/2012ja017706