(Co) Author: Usoskin, I.
Regional millennial trend in the cosmic ray induced ionization of the troposphere. Journal of Atmospheric and Solar-Terrestrial Physics, 72, 1, 19-25.
Role of centennial geomagnetic changes in local atmospheric ionization. Geophysical Research Letters, 35, L05811.
Solar activity reconstructed over the last 7000 years: the influence of geomagnetic field changes. Geophysical Research Letters, 33, L08103.