illumination 
Title |
Date![]() |
Author |
---|---|---|
Brightness Discrimination Data for the Specification of Quantity of Illumination | Nov 01, 1952 | H. Richard Blackwell |
Title |
Date![]() |
Author |
---|---|---|
Brightness Discrimination Data for the Specification of Quantity of Illumination | Nov 01, 1952 | H. Richard Blackwell |