Magnetospheric electric field variations caused by storm-time shock fronts - Kokorowski,M; Bering,EA; Ruohoniemi,M; Sample,JG; Holzworth,RH; Bale,SD; Blake,JB; Collier,AB; Hughes,ARW; Lay,EH; Lin,RP; McCarthy,MP; et al. (ADVANCES IN SPACE RESEARCH, 2008)