Multi-instrument analysis of electron populations in Saturn's magnetosphere - Schippers, P; Blanc, M; Andre, N; Dandouras, I; Lewis, GR; Gilbert, LK; Persoon, AM; Krupp, N; Gurnett, DA; Coates, AJ; Krimigis, SM; Young, DT; et al. (JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2008)