Liu, P. L.P. L.LiuTsai, C. D.C. D.TsaiPEI-LING LIUTSUNG-TSONG WU2020-04-282020-04-2819960963-8695https://scholars.lib.ntu.edu.tw/handle/123456789/486802Imaging of surface-braking concrete cracks using transient elastic wavesjournal article10.1016/S0963-8695(96)00036-9WOS:A1996WD75600010