(3GdTjYI GdGeGejI hfTCI GdYdhe GdGSdGejI (B/ s - (3GdbRhjfj, YdGA GdOjf SjO GejQ eMeO, s ([(3ecGf GdfTQ ZjQ eMOO(B] : s [(3GdfGTQ ZjQ eMOO(B](3, (B409 (3g`(B. = 1989.s, 1989)
(3jJVef EQLGYGJ HHdjhLQGajI (B: (3UaMI (B235-248.s
Keywords: (3GdGeGejI (B((3aQbI GSdGejI(B)s -- (3OaY eWGYf(B.s; (3GdhMOI GdGSdGejI (B((3TjYI(B).s