Based on Cluster Data

De Keyser, J., Darrouzet, F., Dunlop, M. W., & Décréau, P. M. E. (2007). Least-squares gradient calculation from multi-point observations of scalar and vector fields: Methodology and applications with Cluster in the plasmasphere. Annales Geophysicae, 25(4), 971-987. https://doi.org/10.5194/angeo-25-971-2007 (Belgian institutional Open Access repository for Federal Science)

Grimald, S., Décréau, P. M. E., Canu, P., Suraud, X., Vallières, X., Darrouzet, F., & Harvey, C. C. (2007). A quantitative test of Jones NTC beaming theory using CLUSTER constellation. Annales Geophysicae, 25(3), 823-831. https://doi.org/10.5194/angeo-25-823-2007 (Belgian institutional Open Access repository for Federal Science)

Schäfer, S., Glassmeier, K. H., Eriksson, P. T. I., Pierrard, V., Fornaçon, K. H., & Blomberg, L. G. (2007). Spatial and temporal characteristics of poloidal waves in the terrestrial plasmasphere: A CLUSTER case study. Annales Geophysicae, 25(4), 1011-1024. https://doi.org/10.5194/angeo-25-1011-2007 (Belgian institutional Open Access repository for Federal Science)

Vallat, C., Ganushkina, N., Dandouras, I., Escoubet, C. P., Taylor, M. G. G. T., Laakso, H., Masson, A., Sauvaud, J.-A., Rème, H., & Daly, P. (2007). Ion multi-nose structures observed by Cluster in the inner Magnetosphere. Annales Geophysicae, 25(1), 171-190. https://doi.org/10.5194/angeo-25-171-2007