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								| @ΦAYΘwlΘwοο ICW[i |  << wοΦίι<< OΜy[WΦίι
 
 y΄z
 δ`ΡwjAΜΥ°I’
 
 |Ί@Όχ, ͺφ@zκY, Φ‘@κ, ΒΨ@ηΓ, Τθ@av, δ@¬v, c@M, vΫ@tC, ½μ@w
 Mεwγwζ1YΘwlΘ
 
 
 Key wordsFδ`ΡwjA, υFΜΩν, Ήο`
 
 ϊ{YΘwlΘwοΦAnϋοορ, 35(4)
		443-448, 1998
 
 
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