@misc{indiciae30fcfbd885a8,
  title = {Beryllium-7 and solar activity.},
  author = {C Papastefanou and A Ioannidou},
  year = {2004},
  doi = {10.1016/j.apradiso.2004.03.119},
  url = {https://pubmed.ncbi.nlm.nih.gov/15388152/},
  note = {Source identifier: 15388152}
}