Lipp; Stutzinger Chemische Berichte, 1932 , vol. 65, p. 241,248 Full Text Show Details Komschilow Zhurnal Obshchei Khimii, 1939 , vol. 9, p. 1539,1545 Chem. Zentralbl., 1941 , vol. 112, # I p. 31