TY  - RPRT
TI  - Precision in automated refraction.
AU  - S Salvesen
AU  - M Køhler
PY  - 1991
DO  - 10.1111/j.1755-3768.1991.tb04824.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1927316/
ID  - 1927316
ER  -