参考文献

Tommila Suomen Kemistilehti B, 1935 , vol. 8, p. 25 Chem. Zentralbl., 1935 , vol. 106, # II p. 2939 Full Text Show Details Tommila Annales Academiae Scientiarum Fennicae, Series A, 1936 , vol. 46, # 6 p. 83 Chem. Zentralbl., 1937 , vol. 108, # II p. 204