@misc{indiciaede8e6b404b48,
  title = {Helium diffusion in the sun},
  author = {Bahcall, J. N. and Pinsonneault, M. H.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19920074305},
  note = {Source identifier: 19920074305}
}