TY  - RPRT
TI  - The 2000 revision of the joint UK/US geomagnetic field models and an IGRF 2000 candidate model
AU  - S. Macmillan
AU  - J.M. Quinn
PY  - 2014
DO  - 10.1186/bf03352345
UR  - https://pubs.usgs.gov/publication/70022403
ID  - 70022403
ER  -