@article{Marcelli:2021SK,
  author = "Marcelli, Nadir  and  Boezio, Mirko  and  Munini, Riccardo  and  Lenni, Alex  and  Ngobeni, Donald  and  M. Aslam, O. P.  and  Bisschoff, Driaan  and  Potgieter, Marius",
  title = "{A full solar cycle of proton and helium measurements}",
  doi = "10.22323/1.395.1283",
  journal = "PoS",
  year = 2021,
  volume = "ICRC2021",
  pages = "1283"
}