参考文献
Guha; Roy
Journal of the Indian Institute of Science, Section A, 1940 , vol. 23, p. 208,210
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Schmidt
Patent: DE543429 , 1931 ;
Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 18, p. 580
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Imoto
J. Soc. chem. Ind. Japan Spl., 1938 , vol. 41, p. 314,209,210