TY  - RPRT
TI  - Drift shell splitting by internal geomagnetic multipoles.
AU  - Roederer, J. G.
AU  - Hilton, H. H.
AU  - Schulz, M.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19730034434
ID  - 19730034434
ER  -