TY  - RPRT
TI  - Points and endpoints: a size/spacing constraint for dot grouping.
AU  - S W Zucker
AU  - S Davis
PY  - 1988
DO  - 10.1068/p170229
UR  - https://pubmed.ncbi.nlm.nih.gov/3226865/
ID  - 3226865
ER  -