(3GdfXGe GdSjGSj aj JQcjG hGjQGf (B/ s - (3GdfYjej, GMeO fhQj, s; (3GdLejdj, MSjf Ydj, s ([(3HZOGO, GdYQGb(B] : s (3GdOGQ GdLGeYjI ddWHGYI hGdfTQ, s, 1999)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B685-730.s
Keywords: (3JQcjGs -- (3SjGSI hMcheI(B.s; (3GjQGfs -- (3SjGSI hMcheI(B.s