参考文献
Reinartz; Zanke
Chemische Berichte, 1934 , vol. 67, p. 548,553,589,591,592
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Takeuchi; Sahashi
Scientific Papers of the Institute of Physical and Chemical Research (Japan), 1933 , vol. 22, p. 59,63
Chem. Zentralbl., 1934 , vol. 105, # I p. 1975