Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KAWASHIMA Koichiro and MURASE Morimasa and OHARA Yoshikazu and YAMADA Ryuzo and MATSUSHIMA Masamichi and UEMATSU Mitsuyoshi and FUJITA Fumio and MIYA Takekazu,A Nonlinear Ultrasonic Imaging System for Detecting Minute Damage and Defects of nm Gaps in Industrial Materials,Journal of The Japanese Society for Non-Destructive Inspection,03675866,The Japanese Society for Non-Destructive Inspection,2005,54,9,509-514,https://cir.nii.ac.jp/crid/1390282681470703360,https://doi.org/10.11396/jjsndi.54.509