Pigulewski; Prokudina Doklady Akademii Nauk SSSR, 1949 , vol. 67, p. 285 Chem.Abstr., 1950 , p. 1398 Full Text Show Details Arbusow; Abramow Chemische Berichte, 1934 , vol. 67, p. 1942,1945 Zhurnal Obshchei Khimii, 1935 , vol. 5, p. 977,979 Full Text Show Details Kafuku; Oyamada; Nishi Bulletin of the Chemical Society of Japan, 1933 , vol. 8, p. 144,147