@misc{1168901, author = {Ray P Teele and Marion A Belknap}, title = {Luminosity filter and thermopile for a physical photometer:}, year = {1954}, month = {1954-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.3077}, language = {en}, }