Feasibility of a multisatellite investigation of the Earth's magnetosphere with radio tomography - Ergun,RE; Larson,DE; Phan,T; Taylor,D; Bale,S; Carlson,CW; Roth,I; Angelopoulos,V; Bell,T; Inan,US; Bougeret,JL; Manning,R (JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2000)