Optics in atmospheric propagation and adaptive systems VI [electronic resource] : 9-12 September 2003, Barcelona, Spain / John D. Gonglewski, Karin Stein, chairs/editors ; sponsored ... by SPIE--the International Society for Optical Engineering ; cooperating organizations, SEDO--Sociedad Espanñola de Óptica (Spain), NASA--National Aeronautics and Space Administration, [and] EOS--European Optical Society