High Speed Photography of Moire Fringes. Application to Ceramics Under Impact T. Bertin-Mourot, C. Denoual, G. Deshors, P. F. Louvigné et T. Thomas J. Phys. IV France, 07 C3 (1997) C3-311-C3-316 DOI: 10.1051/jp4:1997355