@misc{1154516, author = {Donald A McSparron and Kshitij Mohan and A Russell Schaefer and Edward F Zalewski}, title = {Optical radiation measurements::photometric instrumentation and research (1970 to 1971)}, year = {1972}, month = {1972-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.TN.594-2}, language = {en}, }