Repacholi MH (ed.): Non-Ionizing Radiations: Physical Characteristics, Biological Effects and Health Hazard Assessment: Proceedings of the International Non-Ionizing Radiation Workshop, Melbourne, 5-9 April, 1988. International Radiation Protection Association (IRPA), London; pp. 197-217; ISBN 978-0-7316-2370-9
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, New Orleans, LA, USA. volume 2; IEEE: pp. 889-891