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Aki, K., and Richards, P., 1980, Quantitative seismology Theory and Method, W. H. Freeman and Company, 695-717. Amundsen, H. E.F., Johansen, S., and Rosten, T., 2004, A Sea Bed Logging (SBL) calibration survey over the Troll gas fi eld, 66th EAGE Conference & Exhibition. Badea, E.A., Everett, M.E., Newman, G.A., and Biro, O., 2001, Finite-element analysis of controlled-source electromagnetic induction using Coulomb-gauged potentials: Geophysics, 66, 786-799. Cagniard, L., 1953, Basic theory of the magnetotelluric method of geophysical prospecting, Geophysics, 18, 605-635. Chave, A., and Cox, C, S., 1982, Controlled electromagnetic sources for measuring electrical conductivity beneath the oceans, Journal of Geophysics, 87, 5327-5338. Chave, A., Constable, S., and Edwards, N, 1991, Electromagnetic Methods in Applied Geophysics, Vol.2, Chapter 12: Soc. Expl. Geophysics. Constable, S., A. Orange, G.M. Hoversten, and H.F. Morrison, 1998, Marine magnetotellurics for petroleum exploration Part 1. A seafl oor instrument system, Geophysics, 63, pp. 816-825. Cox, C.S., Constable,S., Chave, A.D., and Webb, S., 1986, Controlled source electromagnetic sounding of the oceanic lithosphere, Nature, 320, 52-54. Eidesmo, T., Ellingsrud, S., Macgregor, L. M., Constable., Sinha, M. C., Johansen, S. E., Kong, F. N., and Westerdahl, M. 2002, Sea Bed Logging (SBL), a new method for remote and direct identifi cation of hydrocarbon fi lled layers in deepwater areas, First Break, 20, March, 144-152. Key, K. W., 2003, Application of broadband marine magnetotelluric exploration to a 3D salt structure and a fast-spreading ridge, Ph. D. Thesis, University of California, San Diego. Filloux, J. H., 1977, Ocean-fl oor magnetotelluric sounding over North Central Pacfi c, Nature, 269, 297-301. Mitsuhata, Y., 2000, 2-D electromagnetic modeling by finite-element method with a dipole source and topography: Geophysics, 65, 465-475. Mitsuhata, Y., Uchida, T. and Amano, H., 2002, 2.5-D inversion of frequency-domain electromagnetic data
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