Liu, Pei-LingPei-LingLiuYeh, Bor-LiangBor-LiangYehYiu, Chih-YuanChih-YuanYiu2009-02-042018-06-292009-02-042018-06-292004http://ntur.lib.ntu.edu.tw//handle/246246/119698application/pdf1470801 bytesapplication/pdfen-USImaging of Concrete Defects Using Wlastic Wave Testshttp://ntur.lib.ntu.edu.tw/bitstream/246246/119698/1/10.pdf