@misc{indiciae20814984c967,
  title = {A pseudoinverse for Frank's formula.},
  author = {A Gómez and D Romeu},
  year = {2001},
  doi = {10.1107/s0108767300013179},
  url = {https://pubmed.ncbi.nlm.nih.gov/11124512/},
  note = {Source identifier: 11124512}
}