1. V. V. Korshak, S. V. Vinogradova and V. M. Belyalov. Bull. Acad. Sci. USSR, Div. Chem. Sci. 1957, 730.
2. V. V. Korshak, S. V. Vinogradova and V. M. Belyalov, Bull. Acad. Sci. USSR, Div. Chem. Sci. 1957, 737.
3. V. V. Korshak and S. V. Vinogradova, Bull. Acad. Sci. USSR, Div. Chem. Sci. 1959, 157.
4. V. V. Korshak, S. V. Vinogradova and E. S. Vlasova, Bull. Acad. Sci. USSR. Div. Chem. Sci. 1954, 1089.
5. Richter's Organic Chemistry 3, 272 (1946).