Format: Dissertation Authors: 椎橋, 章夫 Report number: 甲第6697号 Degree Date: 2006/12/31 Degree Class: Dr. course Degree Kind: Doctor(Engineering) Call number: G2006/Si The author owns the copyright on his / her thesis. Please duplicate or reprint the data within the confines of the copyright law. Duplicate of the data including download is permitted only for your own survey, research or education.