Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Arata Yoshiaki and Abe Nobuyuki and Abe Eiichi,"Tandem Electron Beam Welding (Report IV) : Analysis of Beam Hole Behaviour by Transmission X-ray Method(WELDING PHYSICS, PROCESSES AND INSTRUMENTS)",Transactions of JWRI,03874508,Welding Research Institute of Osaka University,1982-06,11,1,1-5,https://cir.nii.ac.jp/crid/1390294252778966400,https://doi.org/10.18910/5087