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Cracking in Aluminum Alloy Wels 조대식; J. E. Park, JOURNAL OF THE SOCIETY OF NAVAL ARCHITECTS OF JAPAN, v.15, no.1, 1978-03 |
Process Automation by Industrial Robots and its Effect on the Qualification of Welder in West Germany 조대식, 대한산업공학회지, v.16, no.1, 1991-05 |
The trends of Welding Technique and Vocational/Technical Education for Welding Craftsmen in West Germany 조대식, 대한산업공학회지, v.15, no.2, pp.155 - 165, 1990-12 |
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