Schwenn, R. Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Watanabe, T., & Schwenn, R. (in preparation). IPS and spacecraft observations of interplanetary disturbances in association with solar filament activity on late 23 April 1979.