Nonlinear phenomena in electromagnetic fields : proceedings of the Fourth International ISEM Symposium on Nonlinear Phenomena in Electromagnetic Fields, Nagoya, Japan, 26-29 January 1992 - International ISEM Symposium on Nonlinear Phenomena in Electromagnetic Fields; 古橋, 武; 内川, 嘉樹 (Elsevier studies in applied electromagnetics in materials, 1992)