Complex structure within Saturn's infrared aurora - Stallard,T; Miller,S; Lystrup,M; Achilleos,N; Bunce,EJ; Arridge,CS; Dougherty,MK; Cowley,SWH; Badman,SV; Talboys,DL; Brown,RH; Baines,KH; et al. (NATURE, 2008)