1. 1)Japanese Standard Association, JIS G 0592(2002).
2. 2)T. Tsuru, H.W. Tao and S. Haruyama, Boshoku-Gijutsu(presentry Zairyo-to-Kankyo), 33, p.649(1984).
3. 3)R. Matsuhashi, K. Nose, K. Matsuoka and H. Kajimura, Zairyo-to-Kankyo, 64, p.51(2015).
4. 4)R. Matsuhashi, K. Nose, K. Matsuoka and H. Kajimura, Proc. 61st Jpn. Conf. Material and Environments, JSCE, pp.415-418(2014).
5. 5)R. Matsuhashi, K. Nose, K. Matsuoka and H. Kajimura, Proc. JSCE Material and Environments 2014, JSCE, pp.301-304(2014).