1. Chang, C. D., W. H. Lang and A. J. Silvestri, “Aromatization of hetero-atom substituted hydrocarbons”, US Pat. 3,894,104 (1975a).
2. Chang, C. D., “Hydrocarbons from methanol”, Marcel Dekker Publ. (1983) and references therein.
3. Chang, C. D., A. J. Silvestri and R. L. Smith, “Aromatization Reactions”, US Pat. 3,894,103 (1975b).
4. Chang, C. D., W. H. Lang and A. J. Silvestri, “Manufacture of Light Olefins”, US Pat. 4,062, 905 (1977a).
5. Chang, C. D., W. H. Lang and A. J. Silvestri, “Manufacture of Light Olefins”, US Pat. 4,052,479 (1977b).