TY  - RPRT
TI  - Observer Performance as a function of viewing distance.
AU  - C A Kelsey
AU  - R D Moseley
AU  - F A Mettler
AU  - D E Briscoe
DO  - 10.1097/00004424-198109000-00149
UR  - https://pubmed.ncbi.nlm.nih.gov/7287356/
ID  - 7287356
ER  -