(3eYLe GdCdbGH hGdCSeGA GdeSJYGQI aj GdJGQjN GdYQHj GdESdGej (B/s - (3GdSjO, aDGO UGdMs ((3HjQhJ (B:s (3OGQ GdYde ddedGjjf,s, 1990)
(3HHdjhLQGajI (B: (3U(B. 345-359.s
Keywords: (3GdCSeGA GdYQHjIs -- (3eYGLes; (3GdCfSGH hGdCYQGbs -- (3eYGLes; (3CSeGA GdCTNGUs -- (3eYGLes