@misc{indiciaefc29083572c6, title = {Colorimetric purity discrimination: data and theory.}, author = {T Yeh and V C Smith and J Pokorny}, year = {1993}, doi = {10.1016/0042-6989(93)90175-v}, url = {https://pubmed.ncbi.nlm.nih.gov/8266640/}, note = {Source identifier: 8266640} }