1. Barnes, G. and Lumley, J., 2011, Processing gravity gradient data: Geophysics, 76(2), I33–I47.
2. Barnes, G., Lumley, J., Houghton, P. I., and Gleave, R. J., 2011, Comparing gravity and gravity gradient surveys: Geophysical Prospecting, 59, 176–187.
3. Barnes, G., Barraud, J., Lumley, J., and Davies, M., 2008, Advantages of multi-tensor high resolution gravity gradient data: 78th Ann. Internat. Mtg., Soc. Expl. Geophys., Expanded Abstracts, 3587–3590.
4. Beiki, M., 2010, Analytic signals of gravity gradient tensor and their application to estimate source location: Geophysics, 75(6), 159–174.
5. Blakely, R. J., 1995, Potential theory in gravity and magnetic applications: Cambridge University Press, Cambridge.