@article{Ahluwalia:20165G,
  author = "Ahluwalia, H.S.",
  title = "{Unusual structure of sunspot cycle 24 }",
  doi = "10.22323/1.236.0102",
  journal = "PoS",
  year = 2016,
  volume = "ICRC2015",
  pages = "102"
}