Ssytschew Z.chim.Promysl., 1930 , vol. 7, p. 1168 Chem. Zentralbl., 1931 , vol. 102, # I p. 2188 Full Text Show Details Kretow; Melnikow Zhurnal Obshchei Khimii, 1932 , vol. 2, p. 202,206 Chem. Zentralbl., 1933 , vol. 104, # I p. 2387