@misc{indiciaed3728ec8a9d6,
  title = {Image averaging by optical filtering.},
  author = {R D Fraser and G R Millward},
  year = {1970},
  doi = {10.1016/s0022-5320(70)90126-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5445833/},
  note = {Source identifier: 5445833}
}