@misc{indiciaeb4f7ac915134,
  title = {On some modified spherical models.},
  author = {W W Barrett and M Kac},
  year = {1975},
  doi = {10.1073/pnas.72.12.4723},
  url = {https://pubmed.ncbi.nlm.nih.gov/16592295/},
  note = {Source identifier: 16592295}
}