Isao Tokuda,
Professor, Department of Mechanical Engineering,
Ritsumeikan University.

Address: 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan.
Phone: +81-77-561-2832, FAX: +81-77-561-2665
Email: isao(at)fc.ritsumei.ac.jp