参考文献

Schestakow Patent: DE164755 ; Full Text Show Details Schestakow Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1903 , vol. 35, p. 858 Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1905 , vol. 37, p. 5 Chem. Zentralbl., 1905 , vol. 76, # I p. 1227