1. Acuna, M. H., Scearce, C. S., Seek, J. B., Scheifele, J., 1978, The MAGSAT vector magnetometer — A precision fluxgate magnetometer for the measurement of the geomagnetic field, Greenbelt, MD, National Aeronautics and Space Administration Technical Memorandum 79656, 18 p.
2. Bracken, R. E., Brown, P. J., 2004, Concepts and Procedures Required for Successful Reduction of Tensor Magnetic Gradiometer Data Obtained from a UXO Detection Demonstration at Yuma Proving Ground, Arizona, U.S. Geological Survey Open File Report 2004‐xxxx, (in press).
3. Bracken, R. E., Grover, T. P., Puniwai, G., 1998, Development and testing of a tensor magnetic gradiometer system with trial monitoring near the Kilauea Volcano, Hawaii, U.S. Geological Survey Open File Report 98–773, 163 p.
4. Bracken, R. E., Smith, D. V., 2004, Calibrating a tensor magnetic gradiometer using spin data, in Society of Exploration Geophysics 2004 International Convention (SEG), (in press)
5. Brown, P. J., Bracken, R. E., Smith, D. V., in press, A case study of magnetic gradient tensor invariants applied to the UXO problem, in Society of Exploration Geophysics 2004 International Convention (SEG), (in press).