1. A Standard Classification System for the Indirect Costs of Defense Contractors in the Aircft Industry;Martinson,1969
2. A model for estimating aerospace industry contractor overhead cost;Gross;Engineering and Process Economics,1978
3. The Theory and Practice of Econometrics;Judge,1980
4. Econometrics;Maddala,1977
5. An Analysis of Overhead in the Aircraft Industry;Stevens,1983