(3GdGTJQGc aj GdLQjeI Hjf GdbGfhf GdhVYj hGdabg GdESdGej (B/s - (3QGTO, YdGA GdOjfs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1997)
(3bGFeI GNJUGQGJ (B: (3U(B. 540.s
(3GdCUd CWQhMI OcJhQGg(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3HHdjhLQGajI (B: (3U(B. 510-539.s
Keywords: (3GdLfGjGJ (B((3abg ESdGej(B)s; (3GdLQjeI hGdeLQehfs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdbGfhf GdLfGFjs -- (3eUQs