TY  - RPRT
TI  - Letter: A digital computer method for revealing directional information in images.
AU  - B M Unitt
PY  - 1975
DO  - 10.1088/0022-3735/8/5/027
UR  - https://pubmed.ncbi.nlm.nih.gov/1127607/
ID  - 1127607
ER  -