TY  - RPRT
TI  - Microprocessor-controlled contrast sensitivity measurements.
AU  - C J Keemink
AU  - G J van der Wildt
AU  - J B van Deursen
PY  - 1979
DO  - 10.1007/bf02443825
UR  - https://pubmed.ncbi.nlm.nih.gov/317335/
ID  - 317335
ER  -