1) K. Kiuchi and I. Ioka et al.; JAERI-Research, 2002-008 (2002) (in Japanese).
2) Gensiryoku-anzen-kenkyukai ; Keisuiro-nenryou no furumai, (Gensiryoku-anzen-kenkyukai, 1998) (in Japanese).
3) K. Kiuchi and I. Ioka et al.; JAERI-Research, 2006-023 (2006) (in Japanese).
4) Univ. Tokyo ; H16 MEXT Kakusinnteki gennsiryoku sisutemu gijutukaihatu koubojigyou, Housyasen kannkyouka no tyourinnkaiatu mizukagaku ni kansuru gijutukaihatu seikahoukokusyo (Univ. Tokyo, 2005) (in Japanese).