TY  - RPRT
TI  - Circles in a square world: a problem in pattern analysis.
AU  - R M Baer
AU  - D W Matula
PY  - 1967
DO  - 10.1016/0010-4809(67)90004-3
UR  - https://pubmed.ncbi.nlm.nih.gov/5602707/
ID  - 5602707
ER  -