Aschan Chem. Zentralbl., 1918 , vol. 89, # II p. 939 Full Text Show Details Hass; McBee; Weber Industrial and Engineering Chemistry, 1935 , vol. 27, p. 1191,1194 Industrial and Engineering Chemistry, 1936 , vol. 28, p. 333,334 Full Text Show Details Dawydowa; Papkina; Tischtschenko Zhurnal Obshchei Khimii, 1936 , vol. 6, p. 1619,1620 Chem. Zentralbl., 1937 , vol. 108, # I p. 3786