@misc{indiciaef9d0f0787e65,
  title = {The Biddlecombe frame.},
  author = {J C Spriggs and R Biddlecombe},
  year = {1984},
  url = {https://pubmed.ncbi.nlm.nih.gov/6718560/},
  note = {Source identifier: 6718560}
}