Tokai University, 4-1-1 Kitakaname, Hiratsuka-shi, Kanagawa 259-1292, Japan
Shizuoka Prefectural Shimada Technical High School, 216 Achigaya, Shimada-shi, Shuzuoka 437-8541, Japan
Copyright © 2015 Kiyoshi Nosu, Ayuko Shigeta et al. This is
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