@article{126471, author = {Howard Yoon and Bettye Johnson and D Kelch and S Biggar and P Spyak}, title = {A 400 nm to 2500 nm Absolute Spectral Radiance Comparison using Filter Radiometers}, year = {1998}, number = {35}, month = {1998-01-01}, publisher = {Metrologia}, language = {en}, }