1. Ullmann’s Encyclopedia of Industrial Chemistry, fifth ed., vol. A11, VCH Verlagsgesellschaft, Wien, 1988
2. Kirk-Othmer Encyclopedia of Chemical Technology, vol. 11, John Wiley & Sons, New York, 1994
3. The oxidation of methanol on a silver (110) catalyst
4. DuPont, private communication, 1979
5. Celanese, private communication, 1980