O'Connor ME, Lovely RH (eds.): Electromagnetic Fields and Neurobehavioral Function. Progress in Clinical and Biological Research, volume 257; Alan R. Liss, Inc., New York; pp. 119-134; ISBN 978-0-8451-5107-5
7th International Zurich Symposium and Technical Exhibition on Electromagnetic Compatibility, Zurich, Switzerland. IEEE: pp. 239-244; ISBN 978-1-5090-3192-4