Christensen, U. R. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Christensen, U. R. (2015). Das Innere der Planeten und ihre Magnetfelder. Talk presented at Volkshochschule Hildesheim. Hildesheim, Germany. 2015-11-23.