Implementation of focused guided waves to locate axial defects in pipesFletcher, Sam; Ratassepp, Madis; Brett, C.; Lowe, Michael John StewartThe 48th Annual British Conference on NDT : Blackpool, UK, 14-17 September, 20092009 / ? p Implementation of focused guided waves to locate axial defects in pipesFletcher, Sam; Lowe, Michael John Stewart; Ratassepp, Madis; Brett, C.Review of progress in quantitative nondestructive evaluation. Volume 292010 / p. 223-230 https://doi.org/10.1063/1.3362398