Nielsen, E. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society; Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;
Link (Any fulltext)
Mishra, S. P., & Nielsen, E. (1996). Response of ionospheric electric fields to variations in the interplanetary field. Annales Geophysicae, 14(8), 794-802.