1. Hawarden, T.G., Cummings, R.O., Telesco, C.M., and Thronson, H.A., “Optimised Radiative Cooling of Infrared Space Telescopes and Applications to Possible Missions,” Space Science Reviews, vol. 61 (1992), pp.113–144.
2. SIRTF Science Working Group, "A Comparison of SIRTF with Radiatively/Mechanically Cooled Telescope Concept," September 10, 1993, pg. 11
3. and Beckwith, S., et al., "FIRST: Far Infra-Red and Submillimetre Space Telescope," SCI, vol. 93 (1993) pg.6.
4. Johnson, D.L., and Ross, R.G., “Cryocooler Coldfinger Heat Interceptor,” to be published in Cryocoolers-8, ed. by Ross, R.G., Plenum Press, 1995.
5. Petrick, W., JPL, private communication, November 1993.