Publication Long-term Spatial and Temporal Variations of Aurora Borealis Events in the Period 1700 - 1905 Read more
Publication Long-Term Trends and Gleissberg Cycles in Aurora Borealis Records (1600 - 2015) Read more
Publication Modeling of integrated sunlight velocity measurements: The effect of surface darkening by magnetic fields Read more
Publication New windows to the universe; Proceedings of the Eleventh European Regional Astronomy Meeting, Universidad de la Laguna, Spain, July 3-8, 1989. Part II Read more
Publication Nonlinear time-evolution of kink-unstable magnetic flux tubes in the convective zone of the sun Read more