1. Variability of the solar flux in the far ultraviolet 1175 – 2100 A;Cook;J. Geophys. Res.,1980
2. Development of solar cycle 21 observed in EUV spectrum and atmospheric absorption;Hinteregger;J. Geophys. Res.,1979
3. Representations of solar EUV fluxes for aeronomical applications;Hinteregger;Space Research,1980
4. AE-E experiences of solar irradiance monitoring for 1200 – 1850 A;Hinteregger,1980
5. The solar ultraviolet source for the ionosphere and its variation;Hinteregger,1981