1. H. Pines and W.M. Stalick,Base-Catalyzed Reactions of Hydrocarbons and Related Compounds (Academic Press, London, 1977).
2. W.F. H�lderich, M. Hesse and F. N�umann, Ang. Chem. Int. Ed. 27 (1988) 226.
3. A. Corma, R.M. Martm-Aranda, V. Forn�s and F. Key, J. Catal. 134 (1992) 58.
4. P. Laszlo,Preparative Chemistry using Supported Reagents (Academic Press, London, 1987).
5. W.F. H�lderich, in:Proc. 10th Int. Congr. on Catalysis, Budapest 1992, eds. L. Guczi, F. Solymosi and P. T�t�nyi (Akademiai Kiado, Budapest, 1993) p. 127.