@misc{1154481, author = {Jack J Hsia and William H Venable Jr}, title = {Optical radiation measurements ::describing spectrophotometric measurements}, year = {1974}, month = {1974-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.594-9}, language = {en}, }