Pitout, F. Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Escoubet, C. P., Bosqued, J. M., Berchem, J., Taylor, M. G. G. T., Pitout, F., Laakso, H., et al. (2006). Staircase ion signature observed by cluster in the mid-altitude polar cusp. In Proceedings of the Cluster and Double Star Symposium: 5th Anniversary of Cluster in Space. Noordwijk, The Netherlands: ESA Publications Division.
