1. R.R. Hughes, H. Evans, and C. Sternling, Chem. Eng. Prog., Vol. 49. p. 79 (1953).
2. G. Alves. Chem. Eng. Prog., Vol. 50. p. 449 (1954).
3. J. Burke, W. Byrnes, A. Post, and F.E. Ruccia, “Pressurized Cool-down of Cryogenic Transfer Line,” Advances in Cryogenic Engineering. Vol. 4. K.D. Timmerhaus. (ed.), Plenum Press, Inc., New York (1960).