参考文献

Dutta Journal of the Indian Chemical Society, 1940 , vol. 17, p. 613,617 Science and Culture, 1940 , vol. 5, p. 560 Chem.Abstr., 1940 , p. 6933 Full Text Show Details Komppa Annales Academiae Scientiarum Fennicae, Series A, 1932 , vol. 37, # 6 p. 7