Zelikow Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1902 , vol. 34, p. 721 Chem. Zentralbl., 1903 , vol. 74, # I p. 162 Full Text Show Details Zelikow Chemische Berichte, 1904 , vol. 37, p. 1376