@article{Dorman:20198d,
  author = "Dorman, Lev I  and  Kobelev, P.G.  and  Yanke, V.G.",
  title = "{Global changes of CR geomagnetic cutoff rigidities and two- parametric representation of long-term variation spectra}",
  doi = "10.22323/1.358.1187",
  journal = "PoS",
  year = 2019,
  volume = "ICRC2019",
  pages = "1187"
}