1. W. Pryor and T. Anthony, private communications
2. M. Geis, private communications
3. M. Frenklach, P. Kematick, D. Huang, W. Howard, K. E. Spear, A. W. Phelps, and R. Koba, “Homogenous Nucleation of Diamond Powder in the Gas Phase” J. App’1. Phys. 66, 395, (1989)
4. Status and Applications of Diamond and Diamond-like Materials: An Emerging Technology, p 94, National Academy Press, Washington, D.C. 1990
5. R. Seitz, The End of the Age of Sand, Presented at the Gorham Advanced Materials Institute, Marco island, FA 15–17 October (1989)