1. Francis, G., Handbuch der Physik., 22, 195 (Springer, 1956).
2. General Conference of Weights and Measures, Paris, October 1960.
3. Proc. Verb. du CIPM, 27 (1960).
4. Meihuizen, J. J., Dampspanuingen en Vloeistof-en Dampdichthenden van Krypton (Leyden, 1940). See also Fisher, B. B., and McMillen, W. G., J. Phys. chem., 62, 494 (1958).
5. Baird, K. M., and Smith, D. S., Canad. J. Phys., 37, 832 (1959).