Kosolapoff; Powell Journal of the American Chemical Society, 1950 , vol. 72, p. 4198,4199 Full Text Show Details Pudowik; Lebedewa Zhurnal Obshchei Khimii, 1952 , vol. 22, p. 2128,2131; engl. Ausg. S. 2183, 2185 Full Text Show Details Fiszer; Michalski Roczniki Chemii, 1954 , vol. 28, p. 185,190 Chem.Abstr., 1955 , p. 9493