1. Stiles, A.V., Catalyst Supports and Supported Catalysts: Theoretical and Applied Concepts, Stoneham: Butterworths, 1987, p. 107.
2. Keim, W., Catalysis in C 1 Chemistry, Dordrecht: Reidel, 1983.
3. Roth, J.F., Craddock, J.H., Hersman, A., and Paulik, F.E., Chem. Tech., 1971, p. 600.
4. Schultz, R.G. and Montgomery, P.D., Am. Chem. Soc., Div. Pet. Chem., 1972, vol. 17, p. 13.
5. Robinson, K.K., Hersman, A., Craddock, J.H., and Roth, J.F., J. Catal., 1972, vol. 27, p. 289.