Crack Mapping by Ray Methods [chapter]

J. D. Achenbach, A. N. Norris, L. Ahlberg, B. R. Tittmann
1983 Review of Progress in Quantitative Nondestructive Evaluation  
doi:10.1007/978-1-4613-3706-5_71 fatcat:tmqkyq5gyrbzpd4fgp2hq6ouju