@misc{indiciae04e0bfdf298f,
  title = {Proxima Centauri as a Flare Star.},
  author = {H Shapley},
  year = {1951},
  doi = {10.1073/pnas.37.1.15},
  url = {https://pubmed.ncbi.nlm.nih.gov/16588985/},
  note = {Source identifier: 16588985}
}