1. S. H. Bush (editor), ?Fibre Composite Materials? (Amer. Soc. Metals, Metals Park, Ohio, 1964).
2. A. Kelly and G. J. Davies, Met. Rev. 10 (1965) 1.
3. A. Kelly, Proc. Roy. Soc. A 282 (1964) 63.
4. N. J. Parratt, Rubber and Plastics Age 41 (1960) 263.
5. B. W. Rosen, [1], Chapter 3, p. 37.