Georgescu, E. Space Plasma Physics of Near-Earth Environment, MPI for Extraterrestrial Physics, Max Planck Society;
Narita, Y., Glassmeier, K.-H., Schäfer, S., Motschmann, U., Fränz, M., Dandouras, I., et al. (2004). Alfvén waves in the foreshock propagating upsteam in the plasma rest frame: statistics from Cluster observations. Annales Geophysicae, 22, 2315-2323. doi:1432-0576/ag/2004-22-2315.