(3GdWahdI aj GdTYQ GdYQHj GdMOjK (B/s - (3UHjM, GHQGgje eMeO, s ((3GdOhMI, bWQ (B: s (3OGQ GdKbGaI, (B405 (3g`(B. = 1985s, 1985)
(3GUd GdcJGH GWQhMI OcJhQGg ` LGeYI GdGRgQ(B.s
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B573-590.s
Keywords: (3GdGWaGd aj GdTYQ GdYQHj(B.s; (3GdTYQ GdYQHjs -- (3JGQjN hfbOs -- (3GdbQf (B20s