1. Balut, S. J., Gulledge, T. R. Jr. and Womer, N. K. 1986. “A Method for Repricing Aircraft Procurement Programs Under a Change in Annual Quantities Procured”. presented at the ORSA/TIMS joint national conference. April1986, Los Angeles.
2. Statistical modeling of overhead costs
3. The Analysis of Time Series: An Introduction
4. A model for estimating aerospace industry contractor overhead costs