1. 1) Newhall, D. H., Abbot, L. H., and Dunn, R. A.: High-pressure Measurement; Washington: Butterworths, 116, 339-354 (1963).
2. 2) Technical Highlights of the National Bureau of Standards, 33-34 (1962), 38-39 (1963).
3. 3) Dadson, R. S., and Greig, R. G. P.: British Journal of Applied Physics, 16, 1711-1718 (1965).
4. 4) Bridgman, P. W.: Collected Experimental Papers, Harvard University Press, 1, 391, 432 (1964).
5. 5) Johnson, D. P., and Newhall, D. H.: Trans. A.S.M.E., 75, 301-310 (1953).