参考文献

Rao et al. Proceedings - Indian Academy of Sciences, Section A, 1949 , # 29 p. 72,75 Full Text Show Details Anderson Canadian Journal of Research, 1932 , vol. 7, p. 285,289 Full Text Show Details Badhwar; Kang; Venkataraman Journal of the Chemical Society, 1932 , p. 1107,1108