Haerendel, Gerhard Space Plasma Physics of Near-Earth Environment, MPI for Extraterrestrial Physics, Max Planck Society;
Haerendel, G. (2010). Equatorward moving arcs and substorm onset. Journal of Geophysical Research A - Space Physics, 115: A07212, pp. 1-9. doi:10.1029/2009JA015117.