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Ãâó : http://railway.or.kr/Papers_Conference/201401/pdf/KSR2014S096.pdf
Á¦ÀÛ : 2014 ³âµµ Çѱ¹Ã¶µµÇÐȸ Ãá°èÇмú´ëȸ ³í¹®Áý