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고공비행선 인증 및 운항체계에 대한 연구
A study on the certification requirements and operation system for the Airship that flies through the stratosphere
최흥식(H. S. Choi),신대원(D. W. Shin),이종희(J. H. Lee),최주원(J. W. Choi)
UCI I410-ECN-0102-2009-550-003907143
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