Daly, P. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society; MPI for Aeronomy, Max Planck Institute for Solar System Research, Max Planck Society;
Zong, Q.-G., Zhou, X.-Z., Li, X., Song, P., Fu, S. Y., Baker, D. N., et al. (2007). Ultralow frequency modulation of energetic particles in the dayside magnetosphere. Geophysical Research Letters, 34: L12105. doi:10.1029/2007GL029915.