(3CYdGe GdCOH GdeYGUQ aj eUQ (B- (3YHGS eMehO GdYbGO (B- (3GdeLdO GdGhds - (3GdSchJ(B. (3MeOjs ((3OGQ GdcJGH GddHfGfjs (3HjQhJs, 1983)
Keywords: (3GYdGe GdGOH GdYQHj (B- (3JQGLes; (3JQGLes; (3YHGS GdYbGO(B- (3JQGLes