%0 Journal Article
%T ÂÈ°·ÍªÂé×íÖÂÔÝʱÐÔʧÃ÷4Àý
%A κ¶÷½­
%J -
%D 1993
%U http://journal08.magtechjournal.com/Jwk_wjyx/CN/abstract/abstract7613.shtml