参考文献

v. Auwers; Schaich Chemische Berichte, 1921 , vol. 54, p. 1744 Full Text Show Details v. Auwers; Dueesberg Chemische Berichte, 1920 , vol. 53, p. 1204 Full Text Show Details v. Auwers; Allardt Chemische Berichte, 1924 , vol. 57, p. 1099,1102