@misc{indiciaed789ade01e06,
  title = {An edge detection algorithm for use in radionuclide imaging.},
  author = {P C Jackson and P Wilde and I Watt and E R Davies},
  year = {1981},
  doi = {10.1007/bf00257070},
  url = {https://pubmed.ncbi.nlm.nih.gov/7202422/},
  note = {Source identifier: 7202422}
}