Marsch, E. MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society; Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society;
Ruiz, M. E., Dasso, S., Matthaeus, W. H., Marsch, E., & Weigand, J. M. (2011). Aging of anisotropy of solar wind magnetic fluctuations in the inner heliosphere. Journal Geophysical Research, 116: A10102. doi:10.1029/2011JA016697.