参考文献
Isbell; Frush
Journal of Research of the National Bureau of Standards (United States), 1933 , vol. 11, p. 649,662
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Goldner; Rogers
Journal of the American Pharmaceutical Association (1912-1977), 1939 , vol. 28, p. 367
Chem. Zentralbl., 1939 , vol. 110, # II p. 3725