@misc{indiciaefd9bed4d260d,
  title = {A METHOD OF OBTAINING NORMAL REPRESENTATIONS FOR A PROJECTIVE CONNECTION.},
  author = {J H Whitehead},
  year = {1930},
  doi = {10.1073/pnas.16.11.754},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577306/},
  note = {Source identifier: 16577306}
}