1. Antoniades, E. P. (Chevron), U. S. Patent 4 194 056, 1980.
2. Cheong, M., Lee, S. H., Kim. J. C, Lee, J. S. and Kim, Y. G., “Nickel-catalysed Isomerization of Methyl Formate to Acetic Acid”,J. Chem. Soc, Chem. Commun., 661(1990).
3. Cheong, M, Lee, S. H., Sa, Y. S., Lee, J. S. and Kim, Y. G., “The Synthesis of Acetic Acid from Methyl Formate Catalyzed by Nickel Complexes”,J. Mol. Catal,68, 277(1991).
4. Hoeg, H. U. and Bub, G. (Hüls), Japanese Patent 59-82947, 1984.
5. Ikarashi, T., “New MGC Process for High-Purity Carbon Monoxide Production and Review on Derivatives of Methyl Formate”,Chem. Econ. Eng Rev.,12, 31(1980).