1. L. Lloyd, D.E. Ridler and M.V. Twigg,Catalyst Handbook, 2nd Ed., ed. M.V. Twigg (Wolfe Press, London, 1989) p. 283.
2. A.Ya. Rozovsky, Yu.B. Kagan, G.I. Lin, E.V. Slivinskii, S.M. Loktev, G.L. Liberov and A.N. Bashkirov, Kinet. Katal. 17 (1976) 1314.
3. G.C. Chinchen, M.S. Spencer, K.C. Waugh and D.A. Whan, J. Chem. Soc. Faraday Trans. I 83 (1987) 2193.
4. D. Stirling, F.S. Stone and M.S. Spencer,Proc. 10th Int. Congr. on Catalysis, Part B, Budapest 1992, eds. L. Guczi, F. Solymosi and P. T�t�nyi (Elsevier/Akad�miai Kiad�, Amsterdam/Budapest, 1993) p. 1507.
5. R.A. Koeppel, A. Baiker and A. Wokaun, Appl. Catal. A84 (1992) 77.