TY  - RPRT
TI  - Magnetospheric substorms observed at the synchronous orbit.
AU  - Barfield, J. N.
AU  - Coleman, P. J., Jr.
AU  - Cummings, W. D.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19690033236
ID  - 19690033236
ER  -