NASA - National Aeronautics and Space Administration

Schmid, B., J. Redemann, P. B. Russell, P. V. Hobbs, D. Hlavka, M. McGill, B. Holben, E. J. Welton, J. Campbell, O. Torres, R. Kahn, D. Diner, M. C. Helmlinger, D. A. Chu, C. R. Gonzalez, and G. de Leeuw (2003), Coordinated airborne, spaceborne, and ground-based measurements of massive, thick aerosol layers during the dry season in Southern Africa, J. Geophys. Res., 108, 8496, doi:10.1029/2002JD002297.