(3LQjeI LdH GdeNOQGJ (B:s (3OQGSI aj VhA GdTQjYI GdESdGejI hGdCfXeI GdeYehd HgG aj GdeedcI GdYQHjI GdSYhOjI (B/s - (3GdSja, agO EHQGgjes; (3CHh WGdH, NGdO UGHQ s (1994)
(3jTJed Ydi edGMb(B.s
(3HHdjhLQGajI (B: (3hQbI (B258-268.s
Keywords: (3JLGQI GdeNOQGJs -- (3GdSYhOjIs; (3GdeNOQGJ (B((3abg ESdGei(B) s; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s