1. W. P. ERICSON and E. PLENDERMANN, “Composite Materials, 6: Interfaces in Polymer Matrix Composites” (Academic Press, New York, 1974) Ch. 1.
2. R. E. LAVENGOOD and M. J. MICHNO, in The Effects of Thick Interlayers on the Mechanical Performance of Fiber Reinforced Composites, Proceedings Div. Technical Conference; Engineering Properties and Structure Division (SPE, 1975).
3. L. D. TRYSON and J. L. KARDOS, in The Use of Ductile Interlayers in Glass Fibre Reinforced Epoxies, 36th Annual Conference, Reinforced Plastics/Composite Institute (Society of the Plastic Industry, 1981).
4. R. V. ELY (editor), “Microfocal Radiography” (Academic Press, London, 1980).
5. T. G. CUNNINGHAM and S. C. GRAHAM,Mater. Design 7 (1986) 223.