G. H. Koch, "The Role of Corrosion in Aging Aircraft," 12th International Corrosion
Congress, Paper 605, (September 19-24, 1993), Houston, TX, NACE International.

G. H. Koch, "Corrosion Monitoring as a Means to Increase Maintenance Efficiency,"
Corrosion/94, NACE, Baltimore, MD, Paper No. 354, (March 1994).

G. H. Koch, "The Feasibility of Developing Mathematical Models to Predict Localized
Corrosion in Typical Aircraft Aluminum Alloys," 1994 Aerospace Corrosion Control
Symposium, (March 1994), Amsterdam, The Netherlands.