Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUMOTO Toshiyuki,Recent Trend of Maintenance Technology of Ships,JOURNAL OF THE JAPAN WELDING SOCIETY,00214787,JAPAN WELDING SOCIETY,2013,82,7,520-523,https://cir.nii.ac.jp/crid/1390282681477744640,https://doi.org/10.2207/jjws.82.520