@misc{indiciae574800456835, title = {Instrument for measuring relative brightness perception.}, author = {T J Martin and G D Robison}, year = {1994}, doi = {10.1016/s0002-9394(14)70068-6}, url = {https://pubmed.ncbi.nlm.nih.gov/8172268/}, note = {Source identifier: 8172268} }