1. M. J. Schanfein, M. J. Yokota, V. F. Zackay, E. R. Parker, and J. W. Morris, Jr.:Properties of Materials for Liquified Natural Gas Tankage, ASTM STP 579, 1975, p. 361.
2. H. Yoshimura, N. Yamada, and H. Yada:Trans. Iron Steel Inst. Japan, 1976, vol. 15, p. 464.
3. R. L. Tobler, H. J. McHenry, and R. P. Reed:Advances in Cryogenic Engineering, 1978, vol. 24, p. 560.
4. J.W. Merris, Jr., S.K. Hwang, K. A. Yuschenko, V.T. Belotzerkovetz, and O.G. Kvasnerskii:Advances in Cryogenic Engineering, 1978, vol. 24, p. 91.
5. S. K. Hwang: Ph.D. Thesis, Dept. of Materials Science and Engineering, University of California, Berkeley, CA, 1977, LBL Report No. 6603.