1. UES, Inc., Dayton, Ohio 45432, United States
2. National Research Council, Washington, D.C. 20001, United States
3. Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright Patterson Air
Force Base, Ohio 45433-7750, United States
4. DuPont Nanocomposite Technologies and DuPont Central Corporate Analytical Services, Central Research & Development, E.I. DuPont de Nemours & Co., Inc., Wilmington, Delaware 19880-0400, United States