参考文献

Phalnikar; Nargund Journal of the University of Bombay, Science: Physical Sciences, Mathematics, Biological Sciences and Medicine, 1937 , vol. 6/2, p. 97,99 Full Text Show Details Dixit Journal of the Indian Chemical Society, 1931 , vol. 8, p. 790 Chem. Zentralbl., 1932 , vol. 103, # I p. 2710