1. J. W. H. Chi and A. M. Vetere, “Two-Phase Flow during Transient Boiling of Hydrogen and Determination of Nonequilibrium Vapor Fractions,” WANL-SP-002 (June 5, 1963).
2. A. H. Sharbaugh and M. W. Lippitt, Jr., ARS J. 294 (March 1961).
3. W. R. Killiam and J. O. Simpson, in Advances in Cryogenic Engineering, Vol. 5, Plenum Press, New York (1959), p. 505.