TY - RPRT TI - The Relationship Between Magnetotail Dynamics and Substorm Onset Longitudes Determined from Spacecraft Images AU - Ieda, A. AU - Fairfield, D. H. AU - Mukai, T. AU - Saito, Y. PY - 1999 UR - https://ntrs.nasa.gov/citations/20000054268 ID - 20000054268 ER -