The Tokyo International Workshop, 1993: Tokyo, Japan, September 6-8, 1993, where Bise and Rauscher's presentation was "Ambient Electromagnetic Fields as Possible Seismic and Volcanic Precursors."
Hayakawa, M. and Y. Fujinawa (Eds.), Electromagnetic Phenomena Related to Earthquake Prediction, Tokyo: Terra Scientific Publishing Co., 1994. 677 pp.
Proceedings of International Workshop, 6-8 September 1993, The University of Electro-Communications, Chofu, Tokyo, Japan.
Mueller, R.J. and M.J.S. Johnston, Large-scale magnetic field perturbation arising from the 18 May 1980 eruption of Mount St. Helens, Washington, Physics of the Earth and Planetary Interiors, Vol. 57, pp. 23-31, 1989. - "A traveling magnetic field disturbance was detected on an 800-km linear array of recording magnetometers installed along the San Andreas fault system in California, from San Francisco to the Salton Sea."