Estimating the frequency of extremely energetic solar events, based on solar, stellar, lunar, and terrestrial records
Schrijver CJ, Beer J, Baltensperger U, Cliver EW, Gdel M, Hudson HS, McCracken KG, Osten RA, Peter T, Soderblom DR, Usoskin IG & Wolff EW
Schrijver, C. J., Beer, J., Baltensperger, U., Cliver, E. W., Gdel, M., Hudson, H. S., … Wolff, E. W. (2012). Estimating the frequency of extremely energetic solar events, based on solar, stellar, lunar, and terrestrial records. Journal of Geophysical Research A: Space Physics, 117(8), A08103. https://doi.org/10.1029/2012JA017706