TY  - RPRT
TI  - Adjusted geomagnetic data—Theoretical basis and validation
AU  - E. Joshua Rigler
AU  - Abram E. Claycomb
PY  - 2020
DO  - 10.3133/ofr20201053
UR  - https://pubs.usgs.gov/publication/ofr20201053
ID  - ofr20201053
ER  -