@misc{1153791, author = {Geraldine Walker Haupt}, title = {The ideal lovibond color system for C I E standard illuminants A and C shown in three colorimetric systems:}, year = {1972}, month = {1972-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.716}, language = {en}, }