1. T. V. Talalaeva and K. A. Kocheshkov,Metody elemento-organicheskoi khimii. Litii, natrii, kalii, rubidii, tsezii [Methods of organometallic chemistry. Lithium, sodium, potassium rubidium, and cesium], Nauka, Moscow, 1971,1, 490 (in Russian).
2. D. Seyferth and M. A. Weiner,J. Am. Chem. Soc., 1962,84, 361.
3. R. G. Jones and H. Gilman,Chem. Rev., 1954,54, 863.
4. [R. N. Grimes,Carboranes, Academic Press, New York-London, 1970].
5. H. Gilman and H. Hartzfeld,J. Am. Chem. Soc., 1951,73, 5878.