Infrared differential imaging of vertical and slanted cracks : modelisations and experiments J. Guitonny, Z. Bozoki, A.M. Mansanares, M. Le Liboux, D. Fournier and A.C. Boccara J. Phys. IV France, 04 C7 (1994) C7-607-C7-610 DOI: 10.1051/jp4:19947143