Observations of multiple X-line structure in the Earth's magnetotail current sheet: A Cluster case study - art. no. L11105 - Eastwood,JP; Sibeck,DG; Slavin,JA; Goldstein,ML; Lavraud,B; Sitnov,M; Imber,S; Balogh,A; Lucek,EA; Dandouras,I (GEOPHYSICAL RESEARCH LETTERS, 2005)