@misc{1155491, author = {Carl F Shelton}, title = {Spectral emission properties of NBS standard phosphor samples under photo-excitation.:}, year = {1968}, month = {1968-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.417}, language = {en}, }