1. D. Leech and I. Gutmanis. 1992. “The US Detector Industry: Prospects for Commercial Diversification,” Proc. SPIE 1683, 2:12.
2. N. Kernstock. December 19, 1988. “Most Investors Shun High Risk Commercial Space Ventures.” Aviation Week and Space Technology, 45–56.
3. W. Campbell. November and December 1992. “Panthers Go Underground,” Nature Conservancy, 7.
4. I. McLean. March 1988. “Infrared Astronomy’s New Image.” Sky and Telescope, 254–8.
5. Ibid.