1. Avery, J. G. and Porter, T. R., “Comparison of the ballistic response of metals and composites for military aircraft applications”, ASTM STP 568, pp. 3–29, 1975.
2. Suarez, J. A. and Whiteside, J. B., “Comparison of residual strength of composite and metal structures after ballistic damage”, ASTM STP 568, pp. 72–91, 1975.
3. Walter, R. W., Johnson, R. W., June, R. R. and McCarthy, J. E., “Designing for integrity in long-life composite aircraft structures”, ASTM STP 636, pp. 228–247, 1977.
4. NAEC Report 92-136, Naval Air Engineering Centre.
5. Oplinger, D. W. and Slepetz, J. M., “Impact damage tolerance of graphite epoxy sandwich panels”, ASTM STP 568, pp. 30–48, 1975.