THERMAL WAVE IMAGING OF CRACKS IN METALS K.R. Grice, L.J. Inglehart, L.D. Favro, P.K. Kuo et R.L. Thomas J. Phys. Colloques, 44 C6 (1983) C6-519-C6-524 DOI: 10.1051/jphyscol:1983685