Electromagnetic Field, Health and Environment Proceedings of EHE’07 Edited by Andrzej Krawczyk Central Institute for Labour Protection, Department of Bioelectromagnetics, Warsaw, Poland Roman Kubacki Military University of Technology, Warsaw, Poland Slawomir Wiak Technical University of Lodz, Institute of Mechatronics and Information Systems, Lodz, Poland and Carlos Lemos Antunes University of Coimbra, Electrical Engineering Department, Coimbra, Portugal Amsterdam Berlin Oxford Tokyo Washington, DC