1. H. L. Frisch and R. Simha:Rheology Theory and Applications, vol. I, F. R. Eirich, ed., London Academic Press, 1956.
2. A. Kelly and K. N. Street:Proc. Roy. Soc. London, 1972,A328, pp. 267 and 283.
3. W. H. Sutton, B. W. Rosen, and D. G. Flom:Soc. Plast. Eng. J., vol. 20, p. 1.
4. K. N. Street: Ph. D. thesis, University of London, 1971, p. 167.
5. R. W. Jech, D. L. McDanels, and J. W. Weeton:Sixth Sagamore OrdnanceMa- terials Research Conference-Composite Materials and Composite Structures, p. 116,1959.