NASA, the National Aeronautics and Space Administration, highlights every month selected research articles recently published in the scientific literature.
The article authored by Gabriela Schaepman-Strub and co-authors received this mentioning for the month of July. The article proposes an update of the definition of reflectance quantities used in remote sensing.
http://earthobservatory.nasa.gov/Newsroom/Research/2006/200607.html
Reflectance Quantities in Optical Remote Sensing
—Definitions and Case Studies, Schaepman-Strub, G.; Schaepman, M.E.; Painter, T.H.; Dangel, S.; Martonchik, J.V., Remote Sensing of Environment, July 2006 (Vol. 103, No. 1, 27-42)