1. N. C. Judd and W. W. Wright, “Voids and their effects on the mechanical properties of composites — an appraisal”, SAMPE 2. Journal, Jan/Feb 1978. pp. 10–14.
2. G. W. Brassell, J. A. Horak and B. L. Butler, “Effects of porosity on strength of carbon-carbon composites”, J. of Composite Materials, 9, 288–296 (1975).
3. H. Yoshida, J. Ogase and R. Hayashi, “Statistical approach to the relationship between ILSS and void content of CFRP”, Composites Science and Technology, 25, (1986).
4. David K. Hsu and Kevin M. Uhl, “A morphological study of porosity defects in graphite-epoxy composites”, Review of Progress in Quantitative NDE, Vol 6, D. O. Thompson and D. E. Chimenti, eds., (Plenum press, New York, 1987), pp. 1175–1184.
5. D. E. W. Stone and B. Clarke, “Ultrasonic attenuation as a measure of void content in carbon fiber reinforced plastics”, Nondestructive Testing, Vol. 8, 1975. pp. 137–145.