(3eHGOF Yde GdYbGH (B/s - (3eMehO cHjTs ((3GdbGgQI (B:s (3OGQ GdKbGaI GdYQHjI,s, 1995)
(3HHdjhLQGajG(B: (3UaMGJ(B371-378.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3Yde GdYbGHs; (3GdbGfhf GdLfGFjs