@article{Gil:2016DH,
  author = "Gil, Agnieszka  and  Mursula, Kalevi",
  title = "{Exceptionally strong variation of galactic cosmic ray intensity at solar rotation period after the maximum of solar cycle 2}",
  doi = "10.22323/1.236.0149",
  journal = "PoS",
  year = 2016,
  volume = "ICRC2015",
  pages = "149"
}