TY  - RPRT
TI  - A dotted line assimilates in visibility to a solid line.
AU  - D L King
AU  - E L Robinson
AU  - T R Roberts
PY  - 1996
DO  - 10.1007/bf00419830
UR  - https://pubmed.ncbi.nlm.nih.gov/8693050/
ID  - 8693050
ER  -