TY  - RPRT
TI  - [Linear models of brightness perception].
AU  - H Giger
AU  - F Fankhauser
PY  - 1969
DO  - 10.1016/0042-6989(69)90015-7
UR  - https://pubmed.ncbi.nlm.nih.gov/5798745/
ID  - 5798745
ER  -