Wilken, B. Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society;
Williams, D. J., Mauk, B. H., McEntire, R. W., Roelof, E. C., Armstrong, T. P., Wilken, B., et al. (1997). Energetic particle signatures at Ganymede: Implications for Ganymede's magnetic field. Geophysical Research Letters, 24, 2163-2166.