1. Non-destructive evaluation of large composite materials;Smith;Mater World,1996
2. Smith GM, Clayton BR. Thermography and other NDE techniques for wind-turbine blade. Proc Conf Inspection of Structural Composites, University College, London. p. 1–10.
3. Evaluation of bond integrity in sandwich structures by dry couplant ultrasonic tecniques;Subramanian;NDT Int,1991
4. Marcuccio R. Controllo termografico non-distruttivo di una pala eolica in GRP. Tesi di Laurea, University of Lecce, April 1997.
5. Vikstrom M. Thermographic NDT of foam core materials. Proc Int Conf Sandwich Construction, EMAS Ltd., Stockholm, 1989. p. 331–48.