Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ohuchi Tsunehiro and Ohnuki Kazuo and Komiya Motoo and Takatsu Kazuyoshi,APPLICABILITY OF ULTRASONIC INSPECTION TO GAS PRESSURE WELDING OF REINFORCING BARS,Concrete Journal,0387-1061,Japan Concrete Institute,1981,19,12,30-35,https://cir.nii.ac.jp/crid/1390282680427864704,https://doi.org/10.3151/coj1975.19.12_30