1. Gilman, H., Morton Jr. J. W.: Org. Reactions 8, 258 (1954)
2. Jones, R. G., Gilman, H.: ibid. 6, 339 (1951)
3. Mallan, J. M., Bebb, R. L.: Chem. Review 69, 693 (1969)
4. Wakefield, B. J.: The Chemistry of Organolithium Compounds, Pergamon Press 1974
5. Gschwend, H. W., Rodriguez, H. R.: Org. Reactions 26, 1 (1979)