1. July 1962
2. Breene, R. G., Jr. and Nardone, M. C. ''Radiant emission in the atmospheres of the terrestrial planets/' Symposium on Dynamics of Manned Lifting Planetary Entry (John Wiley and Sons, Inc., New York, 1963), pp.331-341; also private communication (February 1963).
3. June 1963;Nardone M. C.