@misc{1182936, author = {T L Cummings and J Horlick}, title = {Collaborative reference program for color and appearance ::color and color difference : report no. 28}, year = {1979}, month = {1979-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.79-1812}, language = {en}, }