Multiple flux rope events at the magnetopause observations by TC-1 on 18 March 2004 - Xiao, CJ; Pu, ZY; Wei, Y; Liu, ZX; Carr, CM; Zhang, TL; Glassmeier, KH; Rème, H; Dandouras, I; Daly, P (ANNALES GEOPHYSICAE, 2005)