TY  - RPRT
TI  - [Subjective contrast evaluation by visually handicapped patients].
AU  - H Lindner
AU  - I Beyer
AU  - F W Röhl
AU  - W Behrens-Baumann
PY  - 1996
UR  - https://pubmed.ncbi.nlm.nih.gov/8963149/
ID  - 8963149
ER  -