Filipow Journal fuer Praktische Chemie (Leipzig), 1916 , vol. <2>93, p. 178 Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1914 , vol. 46, p. 1183 Chem. Zentralbl., 1915 , vol. 86, # I p. 1058 Full Text Show Details Colman; Perkin Journal of the Chemical Society, 1888 , vol. 53, p. 201 Full Text Show Details Filipow Zhurnal Russkago Fiziko-Khimicheskago Obshchestva, 1914 , vol. 46, p. 1174 Journal fuer Praktische Chemie (Leipzig), 1916 , vol. <2> 93, p. 172 Chem. Zentralbl., 1915 , vol. 86, # I p. 1057