参考文献

Watanabe, Akio; Koga, Yoshinori; Sugawara, Ko-ichi; Takeo, Harutoshi; Fukuda, Kenzo; Matsumura, Chi Spectrochimica Acta, Part A: Molecular and Biomolecular Spectroscopy, 1990 , vol. 46, # 4 p. 463 - 469