%0 Journal Article %T µ¹¹¦ÑµÁ·Ö¾±×µËðÉË13Àý±¨¸æ %A ÐìÔ¾¸ù %J - %D 1994 %U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract12318.shtml