Cluster observations of "crater" flux transfer events at the dayside high-latitude magnetopause - Owen,CJ; Marchaudon,A; Dunlop,MW; Fazakerley,AN; Bosqued,J-M; Dewhurst,JP; Fear,RC; Fuselier,SA; Balogh,A; Reme,H (JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2008)