(3GSJTQGb GdTYQ (B: s (3OQGSGJ Ghdi ai fbO GdTYQ GdYQHi GdMOjK (B/ s - (3MGaX (B: (3UHQis ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH (B: s, 1985)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdTYQ GdYQHis -- (3JGQjN h fbOs -- (3GdYUQ GdMOjKs