1. J.A. Dumesic and H. Topsoe, in Advances in Catalysis, D.D. Eley, H. Pines, and P.B. Weisz, eds., Vol. 26, p. 121, Academic Press, New York, 1976.
2. W.N. Delgass and M. Boudart, in Catalysis Reviews, H. Heinemann, ed., Vol. 2, p. 129, M. Dekker, New York, 1968.
3. R.H. Herber and Y. Hazony, in Physical Methods of Chemistry, A. Weissberger and B.W. Rossiter, Vol. 1, p. 215, Wiley (Interscience), New York, 1972.
4. V.I. Goldanskii and I.P. Suzdalev, Russ. Chem. Rev. 39, 609 (1970).
5. M.C. Hobson, Adv. Colloid Interface Sci. 3, 1 (1971).