1. E. Müller (Ed.), Methoden der organischen Chemie (Houben-Weyl), Bd. XIII/2a; Georg Thieme, Stuttgart, 1973, p. 533.
2. B.G. Gowenlock, W.E. Lindsell, J. Organomet. Chem. Libr. 3, Organomet. Chem. Ref. (1977) 1.
3. W.E. Lindsell, in: G. Wilkinson, F.G.A. Stone, E.W. Abel (Eds.), Comprehensive Organometallic Chemistry — The Synthesis, Reactions and Structures of Organometallic Compounds, vol. I, Pergamon Press, New York, 1982, Chap. 4, p. 155.
4. J.J. Eisch, R.B. King, Organometallic Synthesis, vol. 2, Academic Press, New York, 1981, p. 101.
5. Remarkable structures of lithium compounds