The publication of these volumes is the result of the helpful efforts of many of our colleagues. We wish especially to thank the members of the Executive Committee, particularly Dr. S. Namie, Dr. T. Nakajima, Dr. Y. Ino, Prof. A. Azetsu, Mr. T. Hirai, Mr. T. Yasue, Prof. H. Okada, Mr. T. Okayama, Mr. T. Iwamura, Mr. H. Shiihara, Mr. T. Hashimoto, Mr. T. Uchiyama, and Mr. S. Tsukahara.
We also wish to express our sincere thanks to the Ministry of Transport, and to the Nippon Foundation for their financial support.
