Multiple flux rope events at the high-latitude magnetopause: cluster/rapid observation on 26 January, 2001 - Pu, ZY; Zong, QG; Fritz, TA; Xiao, CJ; Huang, ZU; Fu, SU; Shi, QQ; Dunlop, MW; Glassmeier, KH; Balogh, A; Daly, P; Reme, H; et al. (SPRINGER, 2005)