@misc{1166716, author = {George Dickson}, title = {Measurement of the color of dental silicate cements::progress report}, year = {1959}, month = {1959-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.6506}, language = {en}, }