Sopow; Miklaschewskaja Zhurnal Obshchei Khimii, 1956 , vol. 26, p. 1914,1917; engl. Ausg. S. 2133, 2135 Full Text Show Details Grigor'ewa; Kutscherow Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1962 , p. 2196,2197 Bulletin of the Academy of Sciences of the USSR, Division of Chemical Science (English Translation), 1962 , p. 2100,2101