(3GdQYGjI hGdEUdGM (B: s (3eQGMd JWhQgG hJWHjbGJgG aj SLhf GdeedcI GdYQHjI GdSYhOjI (B/s - (3GdeQTOj, YdhT QGTO s; (3GdHGQ, Ydj Hf CMeOs ((3GdQjGV (B:s (3hRGQI GdOGNdjI, eQcR CHMGK ecGaMI GdLQjeI,s, 2000)
(3cTGaGJ (B: (3U(B. 413-417s
(3HHdjhLQGajI (B: (3U(B. 399-412.s
Keywords: (3GdSLhfs -- (3GdSYhOjIs; (3GdeSLhfhfs -- (3EYGOI JCgjds -- (3GdSYhOjIs