1. M.A. Stranick, M. Houalla, D.M. Hercules: J. Catal.,125, 214 (1990).
2. W.X. Gin, G. Xiexian, E.L. Sham, P. Grange, B. Delmon: Appl. Catal.,123, 305 (1990).
3. G. Murali Dhar, F.E. Massoth, J. Shabtai: J. Catal.,85, 44 (1984).
4. C.K. Ben, S.T. Wu, H.H. Tsai, J.C. Wu: Appl. Catal.,45, 221 (1988).
5. A. Spojakina, S. Damyanova, K. Jiratova: Proc. 12th Iberoamerican Symposium on Catalysis, Rio de Janeiro, Brasil, 1990, p. 571.