(3GdLhGfH GdbGfhfjI ddeTQhYGJ GdOhdjI GdeTJQcI aj GdOhd GdBNPI aj Gdfeh (B/s - (3HSje, YUGe GdOjf eUWais ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1984)
(3HHdjhLQGajI (B: (3U(B. 183-188.s
Keywords: (3GdGbJUGO GdOhdjs -- (3bhGfjf hJTQjYGJs -- (3GdOhd GdfGejIs; (3GdYdGbGJ GdGbJUGOjI GdOhdjIs -- (3GdOhd GdfGejIs