Chandra, S.; Stubbe, P.: On explaining the f-region seasonal anomaly in terms of composition changes in the lower atmosphere. Goddard Space Flight Center, Greenbelt Maryland USA (1970)
Analyzing the high spatial resolution solar Ca II H and K emission data obtained by the SUNRISE mission and building a model of other stars more active than the Sun
For PhD students whose project is already funded and who are applying for admission to the IMPRS, or for applicants who want to bring their own funding and their own project idea to the IMPRS.