Koslow Zhurnal Obshchei Khimii, 1937 , vol. 7, p. 1860,1864 Chem. Zentralbl., 1939 , vol. 110, # I p. 620 Full Text Show Details Koslow; Olifson Zhurnal Obshchei Khimii, 1937 , vol. 7, p. 2301,2304 Chem. Zentralbl., 1939 , vol. 110, # I p. 621