@article{126206, author = {Steven Brown and Bettye Johnson}, title = {A Portable Integrating Sphere Source for Radiometric Calibrations from the Visible to the Short-Wave Infrared}, year = {1999}, number = {V}, month = {1999-01-01}, publisher = {Earth Observer A Bimonthly EOS Publication NASA Goddard Space Flight Center}, language = {en}, }