Affiliation: | 1. Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671‐2280 (Japan), Fax: (+81)?79‐267‐4889 http://www.eng.u‐hyogo.ac.jp/msc/msc4/index.html;2. Graduate School of Science, Osaka University, 1‐1 Machikaneyama‐cho, Toyonaka, Osaka 560‐0043 (Japan);3. Graduate School of Engineering, Hiroshima University, Higashi‐Hiroshima, Hiroshima, 729‐8527 (Japan) |