TY  - RPRT
TI  - Calibrating a tensor magnetic gradiometer using spin data
AU  - Robert E. Bracken
AU  - David V. Smith
AU  - Philip J. Brown
PY  - 2005
DO  - 10.3133/sir20055045
UR  - https://pubs.usgs.gov/publication/sir20055045
ID  - sir20055045
ER  -