Flow shear near the boundary of the plasma sheet observed by Cluster and Geotail - art. no. A05204 - Nakamura, R; Baumjohann, W; Nagai, T; Fujimoto, M; Mukai, T; Klecker, B; Treumann, R; Balogh, A; Rème, H; Sauvaud, JA; Kistler, L; Mouikis, C; et al. (JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2004)