@article{Usoskin:2021DB,
  author = "Usoskin, Ilya  and  Koldobskiy, Sergey  and  Gil, Agnieszka  and  Kovaltsov, Gennady  and  Usoskina, Inna  and  Willamo, Teemu  and  Ibragimov, Askar",
  title = "{A major update of the International GLE Database: Correction for the variable GCR background}",
  doi = "10.22323/1.395.1241",
  journal = "PoS",
  year = 2021,
  volume = "ICRC2021",
  pages = "1241"
}