My Coal Industry Papers
- "Principle Elements Regression Analysis of Multicollinearity in Predicting Fatalities in the Coal Industry"
- Estatistica, vol. 45, 1994, pages 1-36 with Kevin D. Brunson.
- "System Simulation Study of the Bituminous Coal Industry"
- Modeling and Simulation, Vol. 11, Part 4, 1999, pages 1415-1419.