1. 1M. C. L. Patterson, J. E. Caiazza, D. W. Roy, and G. Gilde , "Transparent Spinel Development ";SPIE 45th International Symposium on Optical Science and Technology, 30 July-4 August 2000, San Diego, CA.
2. 2D. W. Roy, M. C. L. Patterson, J. E. Caiazza, and G. Gilde , "Progress in the Development of Large Transparent Spinel Plates ";Eighth DoD Electromagnetic Windows Symposium, April 2000, Colorado Springs, CO.
3. 4M. C. L. Patterson, D. W. Roy, and G. Gilde , "Improvements in Optical Grade Spinel ";Ninth DoD EM Windows Symposium,May 2002, Huntsville, AL.
4. Fabrication of transparent spinel polycrystalline materials