1. Chan, E. C. S., and Holz, F. M., Rep. Conf. Factors that Influence Viability and Function in Microorganisms, DA 18-064-404-cml-344 and DA 18-064-cml-2737 (National Research Council, Washington, Nov. 1959). Final Report, AD–228 764, Armed Services Technical Information Agency.
2. Flosdorf, E. E., and Mudd, S., J. Immunol., 29, 389 (1935).
3. Bakanauskas, S., Resistance of Microorganisms to High Vacuum, WADC TN 59142 (Wright Air Development Center, Wright-Patterson Air Force Base, Ohio, Sept. 1959).
4. Brueschke, E. E., Suess, R. H., and Willard, M., Planetary Space Sci., 8, 30 (1961).
5. Portner, D. M., Spiner, D. R., Hoffman, R. L., and Phillips, C. R., Science, 134, 2047 (1961).