@misc{indiciaecbbcf90ff9cf,
  title = {The galactic halo.},
  author = {J W Truran and A G Cameron},
  year = {1970},
  doi = {10.1038/225710a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/16056706/},
  note = {Source identifier: 16056706}
}