Revisiting the origin of satellites in core-level photoemission of transparent conducting oxides: the case of n-doped SnO2 by Borgatti, F, Berger, J, Céolin, D, Zhou, J, Kas, J, Guzzo, M, McConville, C, Offi, F, Panaccione, G, Regoutz, A, Payne, D, Rueff, J, Bierwagen, O, White, M, Speck, J, Gatti, M, Egdell, R