@misc{1162961, author = {Jack J Hsia and David B Wilmering and Joseph C Richmond}, title = {Standard Reference Materials:Second-surface mirror standards of spectral specular reflectance (SRM's 2023, 2024, 2025)}, year = {1982}, month = {1982-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.SP.260-79}, language = {en}, }