@misc{indiciaec71059da85ad,
  title = {Letter: A digital computer method for revealing directional information in images.},
  author = {B M Unitt},
  year = {1975},
  doi = {10.1088/0022-3735/8/5/027},
  url = {https://pubmed.ncbi.nlm.nih.gov/1127607/},
  note = {Source identifier: 1127607}
}