8Maldague X, Krapez J -C , Cielo P, et al. Infrared Thermographic Inspection by Internal Temperature Perturbation Technique [C]. Proc. of the 12th World Conference on Nondestructive Testing, Nondestructive Testing, Elsevier Science Publishers, Amsterdam, 1989: 561-566.
9Gostelow C R, Crocker R L, Saffari N, et al. Improved Ultrasonic Methods for Gas Turbine NDE [J]. Review of Progress in Quantitative NDE, Thompson D.O. and Chimenti D.E. eds., Plenum Press, 1985, 5A, 145-148.
10Titmandj. Applications of thermography in nondestructive testing or structures [J]. NDT&E international, 2001, 34(2): 149-154.