Christensen, Ulrich 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. (2011). Geodynamo models: Tools for understanding properties of Earth's magnetic field. Phys. Earth Planet. Inter., 187(3-4), 157-169. doi:10.1016/j.pepi.2011.03.012.