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Temporal and Spatial Evolutions of a Large Sunspot Groupand Great Auroral Storms around the Carrington Event in 1859Hisashi Hayakawa, D. J. Knipp, José R. Ribeiro et al.|Institutional Repositories DataBase (IRDB)|2019Cited by 32
Intensity and time series of extreme solar-terrestrial storm in 1946 MarchHisashi Hayakawa, Denny M. Oliveira, Yusuke Ebihara et al.|Monthly Notices of the Royal Astronomical Society|2020Cited by 27
The extreme solar and geomagnetic storms on 1940 March 20–25Hisashi Hayakawa, Yusuke Ebihara, Kentaro Hattori et al.|Monthly Notices of the Royal Astronomical Society|2021Cited by 22