TY  - RPRT
TI  - Data entry by light pen.
AU  - G N Kenny
AU  - S Madsen
AU  - P D Davis
PY  - 1985
DO  - 10.1016/0020-7101(85)90070-4
UR  - https://pubmed.ncbi.nlm.nih.gov/3840456/
ID  - 3840456
ER  -