Zeitschriftenartikel
Arvelius, S.; Yamauchi, M.; Nilsson, H.; Lundin, R.; Hobara, Y.; Rème, H.; Bavassano-Cattaneo, M. B.; Paschmann, G.; Korth, A.; Kistler, L. M. et al.; Parks, G. K.: Statistics of high-altitude and high-latitude O
+ ion outflows observed by Cluster/CIS. Annales Geophysicae
23 (5), S. 1909 - 1916 (2005)