@misc{indiciaef0faac69fcc4,
  title = {Direct methods in protein crystallography.},
  author = {J Karle},
  year = {1989},
  doi = {10.1107/s0108767389007403},
  url = {https://pubmed.ncbi.nlm.nih.gov/2692631/},
  note = {Source identifier: 2692631}
}