1. Adam, A., Landy, K. and Nagy, Z.: 1989, ‘New Evidence for the Distribution of the Electric Conductivity in the Earth's Crust and Upper Mantle in the Pannonian Basin as a “Hotspot”’,Tectonophys. 164, 361–368.
2. Beblo, M., Björnsson, A., Arnason, K., Stein, B. and Wolfgram, P.: 1983, ‘Electrical Conductivity Beneath Iceland—Constraints Imposed by Magnetotelluric Results on Temperature, Partial Melt, Crust- and Mantle Structure’,J. of Geophys. 53, 16–23.
3. Berktold, A.: 1983, ‘Electromagnetic Studies in Geothermal Regions’,Geophys. Surv. 6, 173–200.
4. Biehler, S., Ferguson, J., Baldridge, W. I., Jiracek, G. R., Aldern, J. L., Martínez, M., Fernández, R., Romo, J., Gilpin, B., Braile, L. W., Hersey, D. R., Luyendyk, B. P. and Aiken, C. L.: 1991, ‘A Geophysical Model of the Española Basin, Rio Grande Rift, New Mexico’,Geophysics 56, 340–353.
5. Booker, J. R.: 1988, ‘Geomagnetic Induction Research in the U.S. Status and Goals’, Report on the Ensenada Workshop.