NASA - National Aeronautics and Space Administration

Pilewskie, P., J. Pommier, R. W. Bergstrom, W. Gore, S. Howard, M. Rabbette, B. Schmid, P. V. Hobbs, and S. Tsay (2003), Solar spectral radiative forcing during the Southern African Regional Science Initiative, J. Geophys. Res., 108, 8486, doi:10.1029/2002JD002411.