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;
Wang, Y.-M., Sheeley Jr., N. R., Walters, J. H., Brueckner, G. E., Howard, R. A., Michels, D. J., et al. (1998). Origin of streamer material in the outer corona. Astrophysical Journal, 498, L165-L168.