1. Payne, A. R. Rubber and Plastics Age42, 963 (1961). J. Appl. Polymer Sci.:4, 127 (1960);6, 57 (1962);7, 873 (1963);8, 2661 (1965);9, 1073 (1965).Fletcher, W. F. andA. N. Gent, Trans. IRI:26, 45 (1950);27, 266 (1953).
2. Payne, A. R. andR. E. Whittaker, Rheol. Acta9, Part I, 23–28 (1970).
3. Payne, A. R., Mat. Res. Std.1, 942 (1961).
4. Macey, H. H., Trans. Brit. Ceram. Soc.47, 183, 259 (1948).
5. Astbury, N. F., Proc. Roy. Soc.A 258, 27 (1960).Astbury, N. F. andF. Moore, Transactions of the VII International Ceramic Conference Copenhagen (1962).F. Moore, J. Sci. Instr.40, 228 (1963).Astbury, N. F. andF. Moore, Mat. Res, Std.5, 178 (1965).